CyberICT

CVE-2026-0390

Microsoft · Published April 14, 2026

CVSS v3.1

MEDIUM
Patch availableGet patch

Description

UEFI Secure Boot Security Feature Bypass Vulnerability. Reliance on untrusted inputs in a security decision in Windows Boot Loader allows an authorized attacker to bypass a security feature 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:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C