CyberICT

CVE-2026-69820

Microsoft · Published September 8, 2026

CVSS v3.1

HIGH
Patch availableGet patch

Description

Windows Hello Elevation of Privilege Vulnerability. Heap-based buffer overflow in Windows Hello allows an authorized attacker to elevate privileges locally.

Affected Products

  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems

CVSS Vector

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