CVE-2025-49693: Microsoft Windows 11 22h2

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

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

Affected products

• Microsoft Windows 11 22h2: before 10.0.22621.5624 (fixed in 10.0.22621.5624)
• Microsoft Windows 11 23h2: before 10.0.22631.5624 (fixed in 10.0.22631.5624)
• Microsoft Windows 11 24h2: before 10.0.26100.4652 (fixed in 10.0.26100.4652)
• Microsoft Windows Server 2022 23h2: before 10.0.25398.1732 (fixed in 10.0.25398.1732)
• Microsoft Windows Server 2025: before 10.0.26100.4652 (fixed in 10.0.26100.4652)

Published 2025-07-08. Last modified 2026-06-17.