CVE-2026-35433: Microsoft .net

High severity, CVSS 7.3. EPSS: 0.6% chance of exploitation in the next 30 days.

Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.

Affected products

• Microsoft .net: from 8.0.0, before 8.0.27 (fixed in 8.0.27); from 9.0.0, before 9.0.16 (fixed in 9.0.16); from 10.0.0, before 10.0.8 (fixed in 10.0.8)
• Microsoft .NET Framework: version 4.8 only; version 3.5 only; version 4.8.1 only; version 4.7.2 only

Published 2026-05-12. Last modified 2026-07-15.