CyberICT

CVE-2026-20852

Microsoft · Published January 13, 2026

CVSS v3.1

HIGH
Patch availableGet patch

Description

Windows Hello Tampering Vulnerability. Incorrect privilege assignment in Windows Hello allows an unauthorized attacker to perform tampering locally.

Affected Products

  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows Server 2019
  • Windows Server 2019 (Server Core installation)

CVSS Vector

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