CVE-2025-29974: Microsoft Windows 10 1507

Medium severity, CVSS 5.7. EPSS: 0.7% chance of exploitation in the next 30 days.

Integer underflow (wrap or wraparound) in Windows Kernel allows an unauthorized attacker to disclose information over an adjacent network.

Affected products

• Microsoft Windows 10 1507: before 10.0.10240.21014 (fixed in 10.0.10240.21014)
• Microsoft Windows 10 1607: before 10.0.14393.8066 (fixed in 10.0.14393.8066)
• Microsoft Windows 10 1809: before 10.0.17763.7314 (fixed in 10.0.17763.7314)
• Microsoft Windows 10 21h2: before 10.0.19044.5854 (fixed in 10.0.19044.5854)
• Microsoft Windows 10 22h2: before 10.0.19045.5854 (fixed in 10.0.19045.5854)
• Microsoft Windows 11 22h2: before 10.0.22621.5335 (fixed in 10.0.22621.5335)
• Microsoft Windows 11 23h2: before 10.0.22631.5335 (fixed in 10.0.22631.5335)
• Microsoft Windows 11 24h2: before 10.0.26100.4061 (fixed in 10.0.26100.4061)
• 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 10.0.14393.8066 (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.