THREAT OPS › Threat News › [GHSA] GHSA-r6mh-95jw-g7qg (medium) — Microsoft Security Advisory CVE-2026-62899 – .NET Security Feature Bypass Vulnerability
[GHSA] GHSA-r6mh-95jw-g7qg (medium) — Microsoft Security Advisory CVE-2026-62899 – .NET Security Feature Bypass Vulnerability
GHSA-r6mh-95jw-g7qg Severity: medium CVE: CVE-2026-62899
Microsoft Security Advisory CVE-2026-62899 – .NET Security Feature Bypass Vulnerability
## Executive summary
Microsoft is releasing this security advisory to provide information about a vulnerability in System.Net.HttpListener. This advisory also provides guidance on what developers can do to update their applications to remove this vulne
Indicators of compromise
- CVE-2026-62899cve
- https://www.nuget.org/packages/Microsoft.NETCore.App.Runtime.linux-armurl
- https://www.nuget.org/packages/Microsoft.NETCore.App.Runtime.linux-arm64url
- https://www.nuget.org/packages/Microsoft.NETCore.App.Runtime.linux-musl-armurl
- https://www.nuget.org/packages/Microsoft.NETCore.App.Runtime.linux-musl-arm64url
- https://www.nuget.org/packages/Microsoft.NETCore.App.Runtime.linux-musl-x64url
- https://www.nuget.org/packages/Microsoft.NETCore.App.Runtime.linux-x64url
- https://www.nuget.org/packages/Microsoft.NETCore.App.Runtime.osx-arm64url
- https://www.nuget.org/packages/Microsoft.NETCore.App.Runtime.osx-x64url
- https://www.cve.org/CVERecord?id=CVE-2026-62899url
Original source: https://github.com/advisories/GHSA-r6mh-95jw-g7qg