CVE-2025-30394: Microsoft Windows Server 2012

Medium severity, CVSS 5.9. EPSS: 32.7% chance of exploitation in the next 30 days.

Sensitive data storage in improperly locked memory in Remote Desktop Gateway Service allows an unauthorized attacker to deny service over a network.

Affected products

• Microsoft Windows Server 2012: affected versions not specified; version r2 only
• Microsoft Windows Server 2016: before 10.0.14393.8066 (fixed in 10.0.14393.8066)
• Microsoft Windows Server 2019: before 10.0.17763.7314 (fixed in 10.0.17763.7314)
• Microsoft Windows Server 2022: before 10.0.20348.3692 (fixed in 10.0.20348.3692)
• Microsoft Windows Server 2022 23h2: before 10.0.25398.1611 (fixed in 10.0.25398.1611)
• Microsoft Windows Server 2025: before 10.0.26100.4061 (fixed in 10.0.26100.4061)

Published 2025-05-13. Last modified 2026-06-17.