CyberICT

CVE-2026-70104

Microsoft · Published October 13, 2026

CVSS v3.1

HIGH
Patch availableGet patch

Description

Windows Win32k Elevation of Privilege Vulnerability. Untrusted pointer dereference in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.

Affected Products

  • Windows 11 Version 26H2 for ARM64-based Systems
  • Windows 11 Version 26H2 for x64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for x64-based Systems

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C