CVE-2026-50368: Microsoft .NET Framework

High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days.

Stack-based buffer overflow in Active Directory Federation Services allows an unauthorized attacker to deny service over a network.

Affected products

• Microsoft .NET Framework: version 4.8.1 only; version 4.8 only; version 4.6.2 only; version 4.7 only; version 4.7.1 only; version 4.7.2 only; …
• Microsoft Windows 10 1607: before 10.0.14393.9339 (fixed in 10.0.14393.9339)
• Microsoft Windows 10 1809: before 10.0.17763.9020 (fixed in 10.0.17763.9020)
• Microsoft Windows Server 2012: affected versions not specified; version r2 only
• Microsoft Windows Server 2016: before 10.0.14393.9339 (fixed in 10.0.14393.9339)
• Microsoft Windows Server 2019: before 10.0.17763.9020 (fixed in 10.0.17763.9020)
• Microsoft Windows Server 2022: before 10.0.20348.5386 (fixed in 10.0.20348.5386)
• Microsoft Windows Server 2025: before 10.0.26100.33158 (fixed in 10.0.26100.33158)

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