CVE-2025-21208: Microsoft Windows Server 2008

High severity, CVSS 8.8. EPSS: 1.8% chance of exploitation in the next 30 days.

Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

Affected products

• Microsoft Windows Server 2008: affected versions not specified; version r2 only
• Microsoft Windows Server 2012: affected versions not specified; version r2 only
• Microsoft Windows Server 2016: before 10.0.14393.7785 (fixed in 10.0.14393.7785)
• Microsoft Windows Server 2019: before 10.0.17763.6893 (fixed in 10.0.17763.6893)
• Microsoft Windows Server 2022: before 10.0.20348.3207 (fixed in 10.0.20348.3207)
• Microsoft Windows Server 2022 23h2: before 10.0.25398.1425 (fixed in 10.0.25398.1425)
• Microsoft Windows Server 2025: before 10.0.26100.3194 (fixed in 10.0.26100.3194)

Published 2025-02-11. Last modified 2026-06-17.