CVE-2026-70161
.NET Elevation of Privilege Vulnerability
Improper limitation of a pathname to a restricted directory ('path traversal') 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
What each source reports
CVE List Score used
.NET Elevation of Privilege Vulnerability
Improper limitation of a pathname to a restricted directory ('path traversal') in .NET allows an authorized attacker to elevate privileges locally.
- Record
CVE-2026-70161- CVSS 3.1
- 7.3 High
CVSS: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-22
- Updated
- 2026-11-02
EUVDEUVD-2026-99692
Improper limitation of a pathname to a restricted directory ('path traversal') in .NET allows an authorized attacker to elevate privileges locally.
- Record
EUVD-2026-99692- CVSS 3.1
- 7.3 High
CVSS: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
Improper limitation of a pathname to a restricted directory ('path traversal') in .NET allows an authorized attacker to elevate privileges locally.
- Record
CVE-2026-70161- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
OSVALPINE-CVE-2026-70161
Improper limitation of a pathname to a restricted directory ('path traversal') in .NET allows an authorized attacker to elevate privileges locally.
- Record
ALPINE-CVE-2026-70161- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
OSVUBUNTU-CVE-2026-70161
Improper limitation of a pathname to a restricted directory ('path traversal') in .NET allows an authorized attacker to elevate privileges locally.
- Record
UBUNTU-CVE-2026-70161- CVSS 3.1
- 7.3 High
CVSS: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
| 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
| Recorded | Changed | Sources |
|---|---|---|
| affected, aliases, facts, references | OSV | |
| first indexed | CVE List, EUVD, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-70161 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
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70161
security.alpinelinux.org/vuln/CVE-2026-70161
ubuntu.com/security/CVE-2026-70161
cve.org/CVERecord?id=CVE-2026-70161
devblogs.microsoft.com/dotnet/dotnet-and-dotnet-framework-october-2026-servicing-updates
github.com/dotnet/announcements/issues/453