MSRC-CVE-2026-58641 — .NET Elevation of Privilege Vulnerability

Summary

Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

Security updates
4.151.2 — https://github.com/mono/SkiaSharp/releases

Vulnerabilities 1

High 7.8

CVE-2026-58641

.NET Elevation of Privilege Vulnerability

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

Microsoft SkiaSharp

Aug 11, 2026

Revision history

2026-09-03 #2
Added SkiaSharp 4.151.2 to the affected software table.
2026-08-11 #1
Information published.

References

CVE-2026-58641 .NET Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58641
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss