CVE-2026-96224: Microsoft Security Advisory CVE-2026-96224 - .NET and Visual Studio Remote Code Execution Vulnerability

October 13, 2026 (updated October 19, 2026)

Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.WindowsDesktop.App.Runtime (WPF). This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

Crafted WPF pixel-shader bytecode can desynchronize the two parsing passes in CPSTrans::Initialize, causing heap out-of-bounds writes or reads.

References

github.com/advisories/GHSA-xq57-crx4-g373
github.com/dotnet/announcements/issues/475
github.com/dotnet/wpf/issues/12022
github.com/dotnet/wpf/security/advisories/GHSA-xq57-crx4-g373
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96224
nvd.nist.gov/vuln/detail/CVE-2026-96224

Code Behaviors & Features

Detect and mitigate CVE-2026-96224 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →