Oct 2026: .NET Elevation of Privilege Vulnerability
CVE-2026-70161 Published on October 13, 2026
.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.
Weakness Type
What is a Directory traversal Vulnerability?
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2026-70161 has been classified to as a Directory traversal vulnerability or weakness.
Products Associated with CVE-2026-70161
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Affected Versions
Microsoft .NET 10.0:- Version 10.0.0 and below 10.0.402 is affected.
- Version 11.0.0 and below 11.0.100-rc.2 is affected.
- Version 9.0.0 and below 9.0.319, 9.0.122 is affected.
- Version 17.14.0 and below 17.14.42 is affected.
- Version 18.10.0 and below 18.10.4 is affected.