What’s Vulnerable › Vulnerabilities
CVE-2026-58641: .NET Elevation of Privilege Vulnerability
- Severity: high (CVSS 7.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-11 · updated 2026-10-30
- Weakness: CWE-190
Description
Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.
Affected products
- Microsoft .NET: from 8.0.0 before 8.0.30; from 9.0.0 before 9.0.19; from 10.0.0 before 10.0.11 — fixed in 10.0.11, 8.0.30, 9.0.19
- Microsoft SkiaSharp: from 4.151.2 before 4.151.2 — fixed in 4.151.2
How to fix
Upgrade to a fixed version: Microsoft .NET 10.0.11, 8.0.30, 9.0.19; Microsoft SkiaSharp 4.151.2. Check the vendor advisory for mitigations.
References
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