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CVE-2026-96957

.NET Security Feature Bypass Vulnerability

8.8 HighFix available

Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.53%Up 0.1 points since Oct 14, 2026
90%50%10%1%

What each source reports

CVE List Score used 8.8

.NET Security Feature Bypass Vulnerability

Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.

Record
CVE-2026-96957
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Weakness
CWE-347
Updated
2026-11-02
EUVDEUVD-2026-100278 8.8

Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.

Record
EUVD-2026-100278
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Updated
2026-11-02
NVD 8.8

Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.

Record
CVE-2026-96957
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-347
Updated
2026-11-02
OSVRHSA-2026:84491 8.8

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Record
RHSA-2026:84491
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRLSA-2026:86192 9.4

Critical: .NET 10.0 security, bug fix, and enhancement update

.NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything.

SDK version: 10.0.113 Runtime version: 10.0.13

Security Fix(es):

  • dotnet: dotnet10.0: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-102870)

  • dotnet10.0: dotnet9.0: dotnet: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-58280)

  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: .NET Information Disclosure Vulnerability (CVE-2026-66822)

  • dotnet9.0: dotnet: dotnet10.0: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-69651)

  • dotnet8.0: dotnet10.0: dotnet: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70159)

  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70175)

  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70179)

  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70181)

  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70183)

  • dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70186)

  • dotnet: ASP.NET Core Security Feature Bypass Vulnerability (CVE-2026-70188)

  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70196)

  • dotnet: ASP.NET Core Tampering Vulnerability (CVE-2026-88092)

  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits (CVE-2026-92707)

  • dotnet: dotnet8.0: dotnet9.0: dotnet10.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96225)

  • dotnet9.0: dotnet10.0: dotnet8.0: dotnet: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-96230)

  • dotnet: dotnet9.0: dotnet10.0: dotnet8.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96231)

  • dotnet10.0: dotnet: dotnet8.0: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96233)

  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96236)

  • dotnet8.0: dotnet10.0: dotnet9.0: .NET Remote Code Execution Vulnerability (CVE-2026-96237)

  • dotnet8.0: dotnet10.0: dotnet9.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96238)

  • dotnet10.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96957)

Bug Fix(es) and Enhancement(s):

  • Update .NET 10.0 to SDK 10.0.113 and Runtime 10.0.13 (JIRA:Rocky Linux-277805)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
RLSA-2026:86192
CVSS 3.1
9.4 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Updated
2026-11-02
OSVRLSA-2026:86193 9.4

Critical: .NET 10.0 security, bug fix, and enhancement update

.NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything.

SDK version: 10.0.113 Runtime version: 10.0.13

Security Fix(es):

  • dotnet: dotnet10.0: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-102870)

  • dotnet10.0: dotnet9.0: dotnet: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-58280)

  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: .NET Information Disclosure Vulnerability (CVE-2026-66822)

  • dotnet9.0: dotnet: dotnet10.0: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-69651)

  • dotnet8.0: dotnet10.0: dotnet: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70159)

  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70175)

  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70179)

  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70181)

  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70183)

  • dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70186)

  • dotnet: ASP.NET Core Security Feature Bypass Vulnerability (CVE-2026-70188)

  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70196)

  • dotnet: ASP.NET Core Tampering Vulnerability (CVE-2026-88092)

  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits (CVE-2026-92707)

  • dotnet: dotnet8.0: dotnet9.0: dotnet10.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96225)

  • dotnet9.0: dotnet10.0: dotnet8.0: dotnet: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-96230)

  • dotnet: dotnet9.0: dotnet10.0: dotnet8.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96231)

  • dotnet10.0: dotnet: dotnet8.0: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96233)

  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96236)

  • dotnet8.0: dotnet10.0: dotnet9.0: .NET Remote Code Execution Vulnerability (CVE-2026-96237)

  • dotnet8.0: dotnet10.0: dotnet9.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96238)

  • dotnet10.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96957)

Bug Fix(es) and Enhancement(s):

  • Update .NET 10.0 to SDK 10.0.113 and Runtime 10.0.13 [rhel-9.8.z] (JIRA:Rocky Linux-277808)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
RLSA-2026:86193
CVSS 3.1
9.4 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Updated
2026-11-02
Show 8 moreShow less
OSVRLSA-2026:86195 9.4

Critical: .NET 10.0 security, bug fix, and enhancement update

.NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything.

SDK version: 10.0.113 Runtime version: 10.0.13

Security Fix(es):

  • dotnet: dotnet10.0: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-102870)

  • dotnet10.0: dotnet9.0: dotnet: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-58280)

  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: .NET Information Disclosure Vulnerability (CVE-2026-66822)

  • dotnet9.0: dotnet: dotnet10.0: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-69651)

  • dotnet8.0: dotnet10.0: dotnet: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70159)

  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70175)

  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70179)

  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70181)

  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70183)

  • dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70186)

  • dotnet: ASP.NET Core Security Feature Bypass Vulnerability (CVE-2026-70188)

  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70196)

  • dotnet: ASP.NET Core Tampering Vulnerability (CVE-2026-88092)

  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits (CVE-2026-92707)

  • dotnet: dotnet8.0: dotnet9.0: dotnet10.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96225)

  • dotnet9.0: dotnet10.0: dotnet8.0: dotnet: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-96230)

  • dotnet: dotnet9.0: dotnet10.0: dotnet8.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96231)

  • dotnet10.0: dotnet: dotnet8.0: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96233)

  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96236)

  • dotnet8.0: dotnet10.0: dotnet9.0: .NET Remote Code Execution Vulnerability (CVE-2026-96237)

  • dotnet8.0: dotnet10.0: dotnet9.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96238)

  • dotnet10.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96957)

Bug Fix(es) and Enhancement(s):

  • Update .NET 10.0 to SDK 10.0.113 and Runtime 10.0.13 [rhel-10.2.z] (JIRA:Rocky Linux-277809)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
RLSA-2026:86195
CVSS 3.1
9.4 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Updated
2026-11-02
OSVUBUNTU-CVE-2026-96957 8.8

Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.

Record
UBUNTU-CVE-2026-96957
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVALSA-2026:86192 No score

Critical: .NET 10.0 security, bug fix, and enhancement update

.NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything.

SDK version: 10.0.113
Runtime version: 10.0.13

Security Fix(es):

  • dotnet: dotnet10.0: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-102870)
  • dotnet10.0: dotnet9.0: dotnet: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-58280)
  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: .NET Information Disclosure Vulnerability (CVE-2026-66822)
  • dotnet9.0: dotnet: dotnet10.0: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-69651)
  • dotnet8.0: dotnet10.0: dotnet: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70159)
  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70175)
  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70179)
  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70181)
  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70183)
  • dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70186)
  • dotnet: ASP.NET Core Security Feature Bypass Vulnerability (CVE-2026-70188)
  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70196)
  • dotnet: ASP.NET Core Tampering Vulnerability (CVE-2026-88092)
  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits (CVE-2026-92707)
  • dotnet: dotnet8.0: dotnet9.0: dotnet10.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96225)
  • dotnet9.0: dotnet10.0: dotnet8.0: dotnet: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-96230)
  • dotnet: dotnet9.0: dotnet10.0: dotnet8.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96231)
  • dotnet10.0: dotnet: dotnet8.0: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96233)
  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96236)
  • dotnet8.0: dotnet10.0: dotnet9.0: .NET Remote Code Execution Vulnerability (CVE-2026-96237)
  • dotnet8.0: dotnet10.0: dotnet9.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96238)
  • dotnet10.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96957)

Bug Fix(es) and Enhancement(s):

  • Update .NET 10.0 to SDK 10.0.113 and Runtime 10.0.13 (JIRA:AlmaLinux-277805)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
ALSA-2026:86192
Updated
2026-11-06
OSVALSA-2026:86193 No score

Critical: .NET 10.0 security, bug fix, and enhancement update

.NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything.

SDK version: 10.0.113
Runtime version: 10.0.13

Security Fix(es):

  • dotnet: dotnet10.0: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-102870)
  • dotnet10.0: dotnet9.0: dotnet: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-58280)
  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: .NET Information Disclosure Vulnerability (CVE-2026-66822)
  • dotnet9.0: dotnet: dotnet10.0: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-69651)
  • dotnet8.0: dotnet10.0: dotnet: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70159)
  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70175)
  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70179)
  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70181)
  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70183)
  • dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70186)
  • dotnet: ASP.NET Core Security Feature Bypass Vulnerability (CVE-2026-70188)
  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70196)
  • dotnet: ASP.NET Core Tampering Vulnerability (CVE-2026-88092)
  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits (CVE-2026-92707)
  • dotnet: dotnet8.0: dotnet9.0: dotnet10.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96225)
  • dotnet9.0: dotnet10.0: dotnet8.0: dotnet: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-96230)
  • dotnet: dotnet9.0: dotnet10.0: dotnet8.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96231)
  • dotnet10.0: dotnet: dotnet8.0: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96233)
  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96236)
  • dotnet8.0: dotnet10.0: dotnet9.0: .NET Remote Code Execution Vulnerability (CVE-2026-96237)
  • dotnet8.0: dotnet10.0: dotnet9.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96238)
  • dotnet10.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96957)

Bug Fix(es) and Enhancement(s):

  • Update .NET 10.0 to SDK 10.0.113 and Runtime 10.0.13 [almalinux-9.8.z] (JIRA:AlmaLinux-277808)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
ALSA-2026:86193
Updated
2026-11-05
OSVALSA-2026:86195 No score

Critical: .NET 10.0 security, bug fix, and enhancement update

.NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything.

SDK version: 10.0.113
Runtime version: 10.0.13

Security Fix(es):

  • dotnet: dotnet10.0: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-102870)
  • dotnet10.0: dotnet9.0: dotnet: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-58280)
  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: .NET Information Disclosure Vulnerability (CVE-2026-66822)
  • dotnet9.0: dotnet: dotnet10.0: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-69651)
  • dotnet8.0: dotnet10.0: dotnet: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70159)
  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70175)
  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70179)
  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70181)
  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70183)
  • dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70186)
  • dotnet: ASP.NET Core Security Feature Bypass Vulnerability (CVE-2026-70188)
  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70196)
  • dotnet: ASP.NET Core Tampering Vulnerability (CVE-2026-88092)
  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits (CVE-2026-92707)
  • dotnet: dotnet8.0: dotnet9.0: dotnet10.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96225)
  • dotnet9.0: dotnet10.0: dotnet8.0: dotnet: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-96230)
  • dotnet: dotnet9.0: dotnet10.0: dotnet8.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96231)
  • dotnet10.0: dotnet: dotnet8.0: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96233)
  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96236)
  • dotnet8.0: dotnet10.0: dotnet9.0: .NET Remote Code Execution Vulnerability (CVE-2026-96237)
  • dotnet8.0: dotnet10.0: dotnet9.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96238)
  • dotnet10.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96957)

Bug Fix(es) and Enhancement(s):

  • Update .NET 10.0 to SDK 10.0.113 and Runtime 10.0.13 [almalinux-10.2.z] (JIRA:AlmaLinux-277809)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
ALSA-2026:86195
Updated
2026-11-05
OSVBIT-dotnet-2026-96957 No score

.NET Security Feature Bypass Vulnerability

Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.

Record
BIT-dotnet-2026-96957
Updated
2026-11-02
OSVBIT-dotnet-sdk-2026-96957 No score

.NET Security Feature Bypass Vulnerability

Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.

Record
BIT-dotnet-sdk-2026-96957
Updated
2026-11-02
OSVUSN-8942-1 No score

dotnet8, dotnet10, dotnet11 vulnerabilities

Multiple security issues were discovered in .NET and this update includes new upstream .NET versions to fix these issues.

.NET 8 has been updated to 8.0.32 in Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. .NET 10 has been updated to 10.0.13 in Ubuntu 24.04 LTS, Ubuntu 26.04 LTS and Ubuntu 26.10. .NET 11 has been updated to 11.0.0~rc2 in Ubuntu 26.10.

In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes.

Record
USN-8942-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
aspnetcore-runtime-10.0
AlmaLinux:8
From an advisory covering 26 CVEs
 before 10.0.13-1.el8_10
10.0.13-1.el8_10
aspnetcore-runtime-dbg-10.0
AlmaLinux:8
From an advisory covering 26 CVEs
 before 10.0.13-1.el8_10
10.0.13-1.el8_10
aspnetcore-targeting-pack-10.0
AlmaLinux:8
From an advisory covering 26 CVEs
 before 10.0.13-1.el8_10
10.0.13-1.el8_10
dotnet
AlmaLinux:8
From an advisory covering 26 CVEs
 before 10.0.113-1.el8_10
10.0.113-1.el8_10
dotnet-apphost-pack-10.0
AlmaLinux:8
From an advisory covering 26 CVEs
 before 10.0.13-1.el8_10
10.0.13-1.el8_10
dotnet-hostfxr-10.0
AlmaLinux:8
From an advisory covering 26 CVEs
 before 10.0.13-1.el8_10
10.0.13-1.el8_10
dotnet-runtime-10.0
AlmaLinux:8
From an advisory covering 26 CVEs
 before 10.0.13-1.el8_10
10.0.13-1.el8_10
dotnet-runtime-dbg-10.0
AlmaLinux:8
From an advisory covering 26 CVEs
 before 10.0.13-1.el8_10
10.0.13-1.el8_10
dotnet-sdk-10.0
AlmaLinux:8
From an advisory covering 26 CVEs
 before 10.0.113-1.el8_10
10.0.113-1.el8_10
dotnet-sdk-10.0-source-built-artifacts
AlmaLinux:8
From an advisory covering 26 CVEs
 before 10.0.113-1.el8_10
10.0.113-1.el8_10
Show 54 moreShow less
Affected packages
PackageAffectedFixed
dotnet-sdk-aot-10.0
AlmaLinux:8
From an advisory covering 26 CVEs
 before 10.0.113-1.el8_10
10.0.113-1.el8_10
dotnet-sdk-dbg-10.0
AlmaLinux:8
From an advisory covering 26 CVEs
 before 10.0.113-1.el8_10
10.0.113-1.el8_10
dotnet-targeting-pack-10.0
AlmaLinux:8
From an advisory covering 26 CVEs
 before 10.0.13-1.el8_10
10.0.13-1.el8_10
dotnet-templates-10.0
AlmaLinux:8
From an advisory covering 26 CVEs
 before 10.0.113-1.el8_10
10.0.113-1.el8_10
aspnetcore-runtime-10.0
AlmaLinux:9
From an advisory covering 26 CVEs
 before 10.0.13-1.el9_8
10.0.13-1.el9_8
aspnetcore-runtime-dbg-10.0
AlmaLinux:9
From an advisory covering 26 CVEs
 before 10.0.13-1.el9_8
10.0.13-1.el9_8
aspnetcore-targeting-pack-10.0
AlmaLinux:9
From an advisory covering 26 CVEs
 before 10.0.13-1.el9_8
10.0.13-1.el9_8
dotnet-apphost-pack-10.0
AlmaLinux:9
From an advisory covering 26 CVEs
 before 10.0.13-1.el9_8
10.0.13-1.el9_8
dotnet-host
AlmaLinux:9
From an advisory covering 26 CVEs
 before 10.0.13-1.el9_8
10.0.13-1.el9_8
dotnet-hostfxr-10.0
AlmaLinux:9
From an advisory covering 26 CVEs
 before 10.0.13-1.el9_8
10.0.13-1.el9_8
dotnet-runtime-10.0
AlmaLinux:9
From an advisory covering 26 CVEs
 before 10.0.13-1.el9_8
10.0.13-1.el9_8
dotnet-runtime-dbg-10.0
AlmaLinux:9
From an advisory covering 26 CVEs
 before 10.0.13-1.el9_8
10.0.13-1.el9_8
dotnet-sdk-10.0
AlmaLinux:9
From an advisory covering 26 CVEs
 before 10.0.113-1.el9_8
10.0.113-1.el9_8
dotnet-sdk-10.0-source-built-artifacts
AlmaLinux:9
From an advisory covering 26 CVEs
 before 10.0.113-1.el9_8
10.0.113-1.el9_8
dotnet-sdk-aot-10.0
AlmaLinux:9
From an advisory covering 26 CVEs
 before 10.0.113-1.el9_8
10.0.113-1.el9_8
dotnet-sdk-dbg-10.0
AlmaLinux:9
From an advisory covering 26 CVEs
 before 10.0.113-1.el9_8
10.0.113-1.el9_8
dotnet-targeting-pack-10.0
AlmaLinux:9
From an advisory covering 26 CVEs
 before 10.0.13-1.el9_8
10.0.13-1.el9_8
dotnet-templates-10.0
AlmaLinux:9
From an advisory covering 26 CVEs
 before 10.0.113-1.el9_8
10.0.113-1.el9_8
aspnetcore-runtime-10.0
AlmaLinux:10
From an advisory covering 26 CVEs
 before 10.0.13-1.el10_2
10.0.13-1.el10_2
aspnetcore-runtime-dbg-10.0
AlmaLinux:10
From an advisory covering 26 CVEs
 before 10.0.13-1.el10_2
10.0.13-1.el10_2
aspnetcore-targeting-pack-10.0
AlmaLinux:10
From an advisory covering 26 CVEs
 before 10.0.13-1.el10_2
10.0.13-1.el10_2
dotnet-apphost-pack-10.0
AlmaLinux:10
From an advisory covering 26 CVEs
 before 10.0.13-1.el10_2
10.0.13-1.el10_2
dotnet-host
AlmaLinux:10
From an advisory covering 26 CVEs
 before 10.0.13-1.el10_2
10.0.13-1.el10_2
dotnet-hostfxr-10.0
AlmaLinux:10
From an advisory covering 26 CVEs
 before 10.0.13-1.el10_2
10.0.13-1.el10_2
dotnet-runtime-10.0
AlmaLinux:10
From an advisory covering 26 CVEs
 before 10.0.13-1.el10_2
10.0.13-1.el10_2
dotnet-runtime-dbg-10.0
AlmaLinux:10
From an advisory covering 26 CVEs
 before 10.0.13-1.el10_2
10.0.13-1.el10_2
dotnet-sdk-10.0
AlmaLinux:10
From an advisory covering 26 CVEs
 before 10.0.113-1.el10_2
10.0.113-1.el10_2
dotnet-sdk-10.0-source-built-artifacts
AlmaLinux:10
From an advisory covering 26 CVEs
 before 10.0.113-1.el10_2
10.0.113-1.el10_2
dotnet-sdk-aot-10.0
AlmaLinux:10
From an advisory covering 26 CVEs
 before 10.0.113-1.el10_2
10.0.113-1.el10_2
dotnet-sdk-dbg-10.0
AlmaLinux:10
From an advisory covering 26 CVEs
 before 10.0.113-1.el10_2
10.0.113-1.el10_2
dotnet-targeting-pack-10.0
AlmaLinux:10
From an advisory covering 26 CVEs
 before 10.0.13-1.el10_2
10.0.13-1.el10_2
dotnet-templates-10.0
AlmaLinux:10
From an advisory covering 26 CVEs
 before 10.0.113-1.el10_2
10.0.113-1.el10_2
dotnet
Bitnami
 10.0.0 up to 10.0.13
10.0.13
dotnet-sdk
Bitnami
 10.0.0 up to 10.0.13
10.0.13
dotnet-sdk-10.0
Red Hat:hummingbird:1
From an advisory covering 5 CVEs
 before 0:10.0.113-1.hum1
0:10.0.113-1.hum1
dotnet-sdk-10.0-source-built-artifacts
Red Hat:hummingbird:1
From an advisory covering 5 CVEs
 before 0:10.0.113-1.hum1
0:10.0.113-1.hum1
dotnet-sdk-aot-10.0
Red Hat:hummingbird:1
From an advisory covering 5 CVEs
 before 0:10.0.113-1.hum1
0:10.0.113-1.hum1
dotnet-sdk-dbg-10.0
Red Hat:hummingbird:1
From an advisory covering 5 CVEs
 before 0:10.0.113-1.hum1
0:10.0.113-1.hum1
dotnet-templates-10.0
Red Hat:hummingbird:1
From an advisory covering 5 CVEs
 before 0:10.0.113-1.hum1
0:10.0.113-1.hum1
dotnet10.0
Red Hat:hummingbird:1
From an advisory covering 5 CVEs
 before 0:10.0.113-1.hum1
0:10.0.113-1.hum1
dotnet10.0
Rocky Linux:8
From an advisory covering 22 CVEs
 before 0:10.0.113-1.el8_10
0:10.0.113-1.el8_10
dotnet10.0
Rocky Linux:9
From an advisory covering 22 CVEs
 before 0:10.0.113-1.el9_8
0:10.0.113-1.el9_8
dotnet10.0
Rocky Linux:10
From an advisory covering 22 CVEs
 before 0:10.0.113-1.el10_2
0:10.0.113-1.el10_2
dotnet7
Ubuntu:22.04:LTS
 All versions, plus listed versions
7.0.105-0ubuntu1~22.04.17.0.107-0ubuntu1~22.04.17.0.108-0ubuntu1~22.04.17.0.109-0ubuntu1~22.04.17.0.110-0ubuntu1~22.04.1
Show 9 moreShow less
7.0.111-0ubuntu1~22.04.17.0.112-0ubuntu1~22.04.17.0.113-0ubuntu1~22.04.17.0.114-0ubuntu1~22.04.17.0.115-0ubuntu1~22.04.17.0.116-0ubuntu1~22.04.17.0.117-0ubuntu1~22.04.17.0.117-0ubuntu1~22.04.27.0.119-0ubuntu1~22.04.1
 None known
dotnet10
Ubuntu:24.04:LTS
 before 10.0.113-10.0.13-0ubuntu1~24.04.1, plus listed versions
10.0.100-10.0.0-0ubuntu1~24.04.110.0.101-10.0.1-0ubuntu1~24.04.210.0.103-10.0.3-0ubuntu1~24.04.110.0.104-10.0.4-0ubuntu1~24.04.110.0.105-10.0.5-0ubuntu1~24.04.1
Show 7 moreShow less
10.0.106-10.0.6-0ubuntu1~24.04.110.0.107-10.0.7-0ubuntu1~24.04.110.0.108-10.0.8-0ubuntu1~24.04.110.0.109-10.0.9-0ubuntu1~24.04.110.0.110-10.0.10-0ubuntu1~24.04.110.0.111-10.0.11-0ubuntu1~24.04.110.0.112-10.0.12-0ubuntu1~24.04.1
10.0.113-10.0.13-0ubuntu1~24.04.1
dotnet10
Ubuntu:26.10
 before 10.0.113-10.0.13-0ubuntu1~26.10.1, plus listed versions
10.0.105-10.0.5-0ubuntu110.0.107-10.0.7-0ubuntu1~26.04.110.0.108-10.0.8-0ubuntu110.0.109-10.0.9-0ubuntu110.0.110-10.0.10-0ubuntu310.0.111-10.0.11-0ubuntu110.0.112-10.0.12-0ubuntu110.0.112-10.0.12-0ubuntu2
10.0.113-10.0.13-0ubuntu1~26.10.1
dotnet11
Ubuntu:26.10
 before 11.0.100-11.0.0~rc2-0ubuntu1~26.10.1, plus listed versions
11.0.100-11.0.0~rc1-0ubuntu1
11.0.100-11.0.0~rc2-0ubuntu1~26.10.1
dotnet10
Ubuntu:26.04:LTS
 before 10.0.113-10.0.13-0ubuntu1~26.04.1, plus listed versions
10.0.100-10.0.0~rc1-0ubuntu110.0.100-10.0.0~rc2-0ubuntu110.0.100-10.0.0-0ubuntu110.0.100-10.0.0-0ubuntu210.0.101-10.0.1-0ubuntu1
Show 12 moreShow less
10.0.101-10.0.1-0ubuntu210.0.101-10.0.1-0ubuntu310.0.102-10.0.2-0ubuntu110.0.103-10.0.3-0ubuntu110.0.104-10.0.4-0ubuntu110.0.105-10.0.5-0ubuntu110.0.107-10.0.7-0ubuntu1~26.04.110.0.108-10.0.8-0ubuntu1~26.04.110.0.109-10.0.9-0ubuntu1~26.04.110.0.110-10.0.10-0ubuntu1~26.04.110.0.111-10.0.11-0ubuntu1~26.04.110.0.112-10.0.12-0ubuntu1~26.04.1
10.0.113-10.0.13-0ubuntu1~26.04.1
dotnet8
Ubuntu:22.04:LTS
From an advisory covering 28 CVEs
 before 8.0.132-8.0.32-0ubuntu1~22.04.1, plus listed versions
8.0.102-8.0.2-0ubuntu1~22.04.18.0.103-8.0.3-0ubuntu1~22.04.18.0.103-8.0.3-0ubuntu1~22.04.28.0.105-8.0.5-0ubuntu1~22.04.18.0.107-8.0.7-0ubuntu1~22.04.1
Show 22 moreShow less
8.0.108-8.0.8-0ubuntu1~22.04.18.0.110-8.0.10-0ubuntu1~22.04.18.0.111-8.0.11-0ubuntu1~22.04.18.0.112-8.0.12-0ubuntu1~22.04.18.0.114-8.0.14-0ubuntu1~22.04.18.0.115-8.0.15-0ubuntu1~22.04.18.0.116-8.0.16-0ubuntu1~22.04.18.0.117-8.0.17-0ubuntu1~22.04.18.0.118-8.0.18-0ubuntu1~22.04.18.0.119-8.0.19-0ubuntu1~22.04.18.0.120-8.0.20-0ubuntu1~22.04.18.0.121-8.0.21-0ubuntu1~22.04.18.0.122-8.0.22-0ubuntu1~22.04.18.0.123-8.0.23-0ubuntu1~22.04.18.0.124-8.0.24-0ubuntu1~22.04.18.0.125-8.0.25-0ubuntu1~22.04.18.0.126-8.0.26-0ubuntu1~22.04.18.0.127-8.0.27-0ubuntu1~22.04.18.0.128-8.0.28-0ubuntu1~22.04.18.0.129-8.0.29-0ubuntu1~22.04.18.0.130-8.0.30-0ubuntu1~22.04.18.0.131-8.0.31-0ubuntu1~22.04.1
8.0.132-8.0.32-0ubuntu1~22.04.1
dotnet10
Ubuntu:24.04:LTS
From an advisory covering 28 CVEs
 before 10.0.113-10.0.13-0ubuntu1~24.04.1, plus listed versions
10.0.100-10.0.0-0ubuntu1~24.04.110.0.101-10.0.1-0ubuntu1~24.04.210.0.103-10.0.3-0ubuntu1~24.04.110.0.104-10.0.4-0ubuntu1~24.04.110.0.105-10.0.5-0ubuntu1~24.04.1
Show 7 moreShow less
10.0.106-10.0.6-0ubuntu1~24.04.110.0.107-10.0.7-0ubuntu1~24.04.110.0.108-10.0.8-0ubuntu1~24.04.110.0.109-10.0.9-0ubuntu1~24.04.110.0.110-10.0.10-0ubuntu1~24.04.110.0.111-10.0.11-0ubuntu1~24.04.110.0.112-10.0.12-0ubuntu1~24.04.1
10.0.113-10.0.13-0ubuntu1~24.04.1
dotnet8
Ubuntu:24.04:LTS
From an advisory covering 28 CVEs
 before 8.0.132-8.0.32-0ubuntu1~24.04.1, plus listed versions
8.0.100-8.0.0~rc1-0ubuntu18.0.100-8.0.0~rc2-0ubuntu18.0.100-8.0.0~rc2-0ubuntu28.0.100-8.0.0-0ubuntu18.0.100-8.0.0-0ubuntu2
Show 31 moreShow less
8.0.101-8.0.1-0ubuntu18.0.101-8.0.1-0ubuntu28.0.102-8.0.2-0ubuntu18.0.103-8.0.3-0ubuntu28.0.103-8.0.3-0ubuntu38.0.104-8.0.4-0ubuntu18.0.105-8.0.5-0ubuntu1~24.04.18.0.107-8.0.7-0ubuntu1~24.04.18.0.108-8.0.8-0ubuntu1~24.04.18.0.108-8.0.8-0ubuntu1~24.04.28.0.110-8.0.10-0ubuntu1~24.04.18.0.111-8.0.11-0ubuntu1~24.04.18.0.112-8.0.12-0ubuntu1~24.04.18.0.114-8.0.14-0ubuntu1~24.04.18.0.115-8.0.15-0ubuntu1~24.04.18.0.116-8.0.16-0ubuntu1~24.04.18.0.117-8.0.17-0ubuntu1~24.04.18.0.118-8.0.18-0ubuntu1~24.04.18.0.119-8.0.19-0ubuntu1~24.04.18.0.120-8.0.20-0ubuntu1~24.04.18.0.121-8.0.21-0ubuntu1~24.04.18.0.122-8.0.22-0ubuntu1~24.04.18.0.123-8.0.23-0ubuntu1~24.04.18.0.124-8.0.24-0ubuntu1~24.04.18.0.125-8.0.25-0ubuntu1~24.04.18.0.126-8.0.26-0ubuntu1~24.04.18.0.127-8.0.27-0ubuntu1~24.04.18.0.128-8.0.28-0ubuntu1~24.04.18.0.129-8.0.29-0ubuntu1~24.04.18.0.130-8.0.30-0ubuntu1~24.04.18.0.131-8.0.31-0ubuntu1~24.04.1
8.0.132-8.0.32-0ubuntu1~24.04.1
dotnet10
Ubuntu:26.10
From an advisory covering 28 CVEs
 before 10.0.113-10.0.13-0ubuntu1~26.10.1, plus listed versions
10.0.105-10.0.5-0ubuntu110.0.107-10.0.7-0ubuntu1~26.04.110.0.108-10.0.8-0ubuntu110.0.109-10.0.9-0ubuntu110.0.110-10.0.10-0ubuntu310.0.111-10.0.11-0ubuntu110.0.112-10.0.12-0ubuntu110.0.112-10.0.12-0ubuntu2
10.0.113-10.0.13-0ubuntu1~26.10.1
dotnet11
Ubuntu:26.10
From an advisory covering 28 CVEs
 before 11.0.100-11.0.0~rc2-0ubuntu1~26.10.1, plus listed versions
11.0.100-11.0.0~rc1-0ubuntu1
11.0.100-11.0.0~rc2-0ubuntu1~26.10.1
dotnet10
Ubuntu:26.04:LTS
From an advisory covering 28 CVEs
 before 10.0.113-10.0.13-0ubuntu1~26.04.1, plus listed versions
10.0.100-10.0.0~rc1-0ubuntu110.0.100-10.0.0~rc2-0ubuntu110.0.100-10.0.0-0ubuntu110.0.100-10.0.0-0ubuntu210.0.101-10.0.1-0ubuntu1
Show 12 moreShow less
10.0.101-10.0.1-0ubuntu210.0.101-10.0.1-0ubuntu310.0.102-10.0.2-0ubuntu110.0.103-10.0.3-0ubuntu110.0.104-10.0.4-0ubuntu110.0.105-10.0.5-0ubuntu110.0.107-10.0.7-0ubuntu1~26.04.110.0.108-10.0.8-0ubuntu1~26.04.110.0.109-10.0.9-0ubuntu1~26.04.110.0.110-10.0.10-0ubuntu1~26.04.110.0.111-10.0.11-0ubuntu1~26.04.110.0.112-10.0.12-0ubuntu1~26.04.1
10.0.113-10.0.13-0ubuntu1~26.04.1

History

History
RecordedChangedSources
affected, referencesOSV
affectedOSV
facts, referencesOSV
aliases
first indexedCVE List, EUVD, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-96957 is a high vulnerability (CVSS 8.8) in Microsoft .net, published October 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.53%, the 45th percentile. Fixed in dotnet 10.0.13.

References

Show 119 moreShow less
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