HIGHCVSS 8.8

GHSA-mqvm-gmc4-6rv2

Duplicate Advisory: Microsoft Security Advisory CVE-2026-69439 – .NET and Visual Studio Elevation of Privilege Vulnerability

Published: 2026-09-08
Modified: 2026-09-09
Sources: github-advisory

Summary

### Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-527h-q9f6-p7qx. This link is maintained to preserve external references. ### Original Description Heap-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to elevate privileges over a network.

Affected packages

Ecosystem	Package	Affected versions	Fixed versions
NuGet	Microsoft.DiaSymReader.Native	—	18.9.0-beta1.26405.2

Remediation: Upgrade to 18.9.0-beta1.26405.2 or later.

References

https://github.com/advisories/GHSA-mqvm-gmc4-6rv2

Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.