CVE-2026-71328: Microsoft Security Advisory CVE-2026-71328 – .NET and Visual Studio Remote Code Execution Vulnerability

September 9, 2026

Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.DiaSymReader.Native. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

Microsoft.DiaSymReader.Native can perform an out of bounds write while processing MSFZ PDB files.

References

github.com/advisories/GHSA-63gh-g2x5-x69v
github.com/dotnet/runtime/security/advisories/GHSA-63gh-g2x5-x69v
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-71328
nvd.nist.gov/vuln/detail/CVE-2026-71328

Code Behaviors & Features

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