CVE-2026-20859 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.

Produits et versions touchés

Produit	Versions touchées	Corrigé en
Windows Server 2025 (Server Core installation) 10.0	10.0.26100.0 → < 10.0.26100.32230	10.0.26100.32230
Windows 11 Version 25H2 10.0	10.0.26200.0 → < 10.0.26200.7623	10.0.26200.7623
Windows 11 Version 24H2 10.0	10.0.26100.0 → < 10.0.26100.7623	10.0.26100.7623
Windows Server 2025 10.0	10.0.26100.0 → < 10.0.26100.32230	10.0.26100.32230

Autres CVE de Windows Server 2025 (Server Core installation)

Les 3645 CVE de Windows Server 2025 (Server Core installation) →

CVE-2026-108136 Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally 7.8 Élevée CVE-2026-105016 Heap-based buffer overflow in Microsoft QUIC allows an unauthorized attacker to execute code over a network 9.8 Critique CVE-2026-108130 Heap-based buffer overflow in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to… 7.8 Élevée CVE-2026-108132 Double free in Windows Kerberos allows an authorized attacker to elevate privileges locally 7.0 Élevée