CVE-2026-50646: Microsoft .net

High severity, CVSS 7.8. EPSS: 4% chance of exploitation in the next 30 days.

Protection mechanism failure in .NET Framework allows an unauthorized attacker to execute code locally.

Affected products

• Microsoft .net: from 8.0.0, before 8.0.29 (fixed in 8.0.29); from 9.0.0, before 9.0.18 (fixed in 9.0.18)
• Microsoft .NET Framework: version 4.8 only; version 4.6.2 only; version 4.7 only; version 4.7.1 only; version 4.7.2 only; version 3.5 only; …
• Microsoft Visual Studio 2022: from 17.12.0, before 17.12.22 (fixed in 17.12.22); from 17.14.0, before 17.14.36 (fixed in 17.14.36)
• Microsoft Visual Studio 2026: from 18.7.0, before 18.7.4 (fixed in 18.7.4)

Published 2026-07-14. Last modified 2026-07-24.