CVE-2026-0390 MEDIUM

CVE-2026-0390: UEFI Secure Boot Security Feature Bypass Vulnerability

Vendor Microsoft
Product Windows 10 Version 1607
Weakness CWE-807
Published April 14, 2026
Last update June 1, 2026
View on NVD All CVEs

CVSS base score

6.7/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

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

What the vulnerability does

01Description

Reliance on untrusted inputs in a security decision in Windows Boot Loader allows an authorized attacker to bypass a security feature locally.

Key dates

02Disclosure timeline

April 14, 2026 CVE published
June 1, 2026 Record updated