CVE-2026-50396 Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally

Description

Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.

Affected products and versions

Product	Affected versions	Fixed in
Windows 11 Version 24H2 10.0	10.0.26100.0 → < 10.0.26100.8875	10.0.26100.8875
Windows 11 Version 25H2 10.0	10.0.26200.0 → < 10.0.26200.8875	10.0.26200.8875
Windows 11 version 26H1 10.0	10.0.28000.0 → < 10.0.28000.2525	10.0.28000.2525
Windows Server 2025 10.0	10.0.26100.0 → < 10.0.26100.33158	10.0.26100.33158
Windows Server 2025 (Server Core installation) 10.0	10.0.26100.0 → < 10.0.26100.33158	10.0.26100.33158

Other CVEs of Windows 11 Version 24H2

The 3573 CVEs of Windows 11 Version 24H2 →

CVE-2026-108136 Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally 7.8 High CVE-2026-108463 Improper resolution of path equivalence in Windows SmartScreen allows an unauthorized attacker to bypass a security… 8.8 High CVE-2026-105016 Heap-based buffer overflow in Microsoft QUIC allows an unauthorized attacker to execute code over a network 9.8 Critical CVE-2026-108134 Use after free in Windows Autopilot allows an authorized attacker to elevate privileges locally 7.0 High