CVE-2026-58641 PUBLISHED

.NET Elevation of Privilege Vulnerability

Assigner: microsoft
Reserved: 01.07.2026 Published: 11.08.2026 Updated: 12.08.2026

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

Metrics

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS Score: 7.8

Product Status

Vendor Microsoft
Product .NET 10.0
Versions
  • affected from 10.0.0 to 10.0.11 (excl.)
Vendor Microsoft
Product .NET 8.0
Versions
  • affected from 8.0.0 to 8.0.30 (excl.)
Vendor Microsoft
Product .NET 9.0
Versions
  • affected from 9.0.0 to 9.0.19 (excl.)

References

Problem Types