CVE-2026-70165
.NET Elevation of Privilege Vulnerability
CVE-2026-70165 is a medium vulnerability (CVSS 6.7) 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 0.38%, the 31st percentile. Fixed in dotnet10-runtime 10.0.13-r0.
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
- High
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
6.7
.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-2026-70165- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:H/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-2026-99693
6.7
Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.
- Record
EUVD-2026-99693- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
NVD
6.7
Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.
- Record
CVE-2026-70165- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-59
- Updated
- 2026-11-02
OSVALPINE-CVE-2026-70165
6.7
Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.
- Record
ALPINE-CVE-2026-70165- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
OSVUBUNTU-CVE-2026-70165
6.7
Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.
- Record
UBUNTU-CVE-2026-70165- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
dotnet10-runtimeAlpine:v3.23 |
before 10.0.13-r0 | 10.0.13-r0 |
dotnet10-runtimeAlpine:v3.24 |
before 10.0.13-r0 | 10.0.13-r0 |
dotnet9-runtimeAlpine:v3.22 |
before 9.0.21-r0 | 9.0.21-r0 |
dotnet9-runtimeAlpine:v3.23 |
before 9.0.21-r0 | 9.0.21-r0 |
dotnet9-runtimeAlpine:v3.24 |
before 9.0.21-r0 | 9.0.21-r0 |
dotnet7Ubuntu: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 less7.0.111-0ubuntu1~22.04.17.0.112-0ubuntu1~22.04.17.0.113-0ubuntu1~22.04.17.0.114-0ubuntu1~22.04.17.0.115-0ubuntu1~22.04.17.0.116-0ubuntu1~22.04.17.0.117-0ubuntu1~22.04.17.0.117-0ubuntu1~22.04.27.0.119-0ubuntu1~22.04.1 |
None known |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | affected, aliases, facts, references | OSV |
| 2026-11-02 | created | CVE List, EUVD, NVD, OSV |
References
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70165
security.alpinelinux.org/vuln/CVE-2026-70165
ubuntu.com/security/CVE-2026-70165
cve.org/CVERecord?id=CVE-2026-70165
devblogs.microsoft.com/dotnet/dotnet-and-dotnet-framework-october-2026-servicing-updates
github.com/dotnet/announcements/issues/455