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7.8 High

CVE-2026-58641 Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally

Description

Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.

Affected products and versions

Product	Affected versions	Fixed in
.NET 10.0 10.0	10.0.0 → < 10.0.11	10.0.11
.NET 8.0 8.0	8.0.0 → < 8.0.30	8.0.30
.NET 9.0 9.0	9.0.0 → < 9.0.19	9.0.19
SkiaSharp 4.151	earliest → < 4.151.2	4.151.2

References

.NET Elevation of Privilege Vulnerability msrc.microsoft.com

Timeline

Published August 11, 2026
Last modified October 30, 2026

The 70 CVEs of .NET 10.0 →

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