HIGH 7.0 Microsoft

CVE-2026-69806

.NET Elevation of Privilege Vulnerability

Microsoft Security Update 2026-Sep: .NET Elevation of Privilege Vulnerability

Affected Products

Microsoft Visual Studio 2026 version 18.9
Microsoft Visual Studio 2022 version 17.14
.NET 9.0 installed on Linux
.NET 10.0 installed on Linux
.NET 11.0 installed on Linux

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69806
https://nvd.nist.gov/vuln/detail/CVE-2026-69806

Published: 2026-09-08 · Source: Microsoft · Feed updated: 2026-10-27

This high severity vulnerability with a CVSS score of 7.0 was published on 2026-09-08 via Microsoft. Affected: Microsoft Visual Studio 2026 version 18.9, Microsoft Visual Studio 2022 version 17.14, .NET 9.0 installed on Linux and 2 more.

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