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CVE-2026-70190

.NET Elevation of Privilege Vulnerability

7.3 HighFix available

Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.49%Unchanged since Oct 14, 2026
90%50%10%1%

What each source reports

CVE List Score used 7.3

.NET Elevation of Privilege Vulnerability

Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.

Record
CVE-2026-70190
CVSS 3.1
7.3 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Weakness
CWE-59
Updated
2026-11-02
EUVDEUVD-2026-99699 7.3

Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.

Record
EUVD-2026-99699
CVSS 3.1
7.3 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Updated
2026-11-02
NVD 7.3

Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.

Record
CVE-2026-70190
CVSS 3.1
7.3 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-59
Updated
2026-11-02
OSVALPINE-CVE-2026-70190 7.3

Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.

Record
ALPINE-CVE-2026-70190
CVSS 3.1
7.3 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-03
OSVUBUNTU-CVE-2026-70190 7.3

Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.

Record
UBUNTU-CVE-2026-70190
CVSS 3.1
7.3 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
dotnet10-runtime
Alpine:v3.23
 before 10.0.13-r0
10.0.13-r0
dotnet10-runtime
Alpine:v3.24
 before 10.0.13-r0
10.0.13-r0
dotnet9-runtime
Alpine:v3.22
 before 9.0.21-r0
9.0.21-r0
dotnet9-runtime
Alpine:v3.23
 before 9.0.21-r0
9.0.21-r0
dotnet9-runtime
Alpine:v3.24
 before 9.0.21-r0
9.0.21-r0
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

History

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

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

In short

CVE-2026-70190 is a high vulnerability (CVSS 7.3) in Microsoft .net 10.0 Runtime, published October 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.49%, the 42nd percentile. Fixed in dotnet10-runtime 10.0.13-r0.

References

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