CVE-2025-29970: Microsoft Windows 11 24h2

High severity, CVSS 7.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.

Affected products

• Microsoft Windows 11 24h2: before 10.0.26100.4061 (fixed in 10.0.26100.4061)
• 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.