High severity · published Aug 11, 2026
CVE-2026-58641
.NET Elevation of Privilege Vulnerability
7.8
CVSS
0.5%
EPSS
No
On KEV
Description
Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SK
SkiaSharp · Microsoft
4.151.2 before 4.151.2 · source: vendor
NE
.net · Microsoft
8.0.0 before 8.0.30; 9.0.0 before 9.0.19; 8.0.0 before 8.0.30; 9.0.0 before 9.0.19; 10.0.0 before 10.0.11; 8.0.0 before 8.0.30; +2 more · source: NVD