HIGH 7.8 Microsoft

CVE-2026-45490

.NET SDK Elevation of Privilege Vulnerability

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

Affected Products

.NET 10.0 installed on Windows
.NET 8.0 installed on Windows
.NET 9.0 installed on Windows

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45490
https://nvd.nist.gov/vuln/detail/CVE-2026-45490

Published: 2026-06-09 · Source: Microsoft · Feed updated: 2026-08-04

This high severity vulnerability with a CVSS score of 7.8 was published on 2026-06-09 via Microsoft. Affected: .NET 10.0 installed on Windows, .NET 8.0 installed on Windows, .NET 9.0 installed on Windows.

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