HIGH 7.8 Microsoft

CVE-2026-62871

.NET Elevation of Privilege Vulnerability

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

Affected Products

.NET 8.0 installed on Windows
.NET 9.0 installed on Windows
Microsoft Visual Studio 2026 version 18.8
Microsoft Visual Studio 2022 version 17.14

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62871
https://nvd.nist.gov/vuln/detail/CVE-2026-62871

Published: 2026-08-11 · Source: Microsoft · Feed updated: 2026-09-25

This high severity vulnerability with a CVSS score of 7.8 was published on 2026-08-11 via Microsoft. Affected: .NET 8.0 installed on Windows, .NET 9.0 installed on Windows, Microsoft Visual Studio 2026 version 18.8 and 1 more.

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