CVE-2026-20859

Integer overflow or wraparound in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.

Use of uninitialized resource in Windows Kernel-Mode Drivers allows an authorized attacker to disclose information locally.

Use of uninitialized resource in Windows Kernel-Mode Drivers allows an authorized attacker to disclose information locally.

Heap-based buffer overflow in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.

Insertion of sensitive information into log files in Windows Kernel-Mode Drivers allows an authorized attacker to disclose information locally.

Improper access control in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.

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

Out-of-bounds read in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.

Improper access control in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.

Incorrect authorization in Windows Kernel-Mode Drivers allows an authorized attacker to disclose information locally.