CVE-2026-58638 MEDIUM

CVE-2026-58638: Windows Boot Loader Security Feature Bypass Vulnerability

Vendor Microsoft
Product Windows 10 Version 1809
Weakness CWE-325
Published July 14, 2026
Last update September 2, 2026
View on NVD All CVEs

CVSS base score

6.0/10
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:N/E:U/RL:O/RC:C

What the vulnerability does

01Description

Missing cryptographic step in Windows Boot Loader allows an authorized attacker to bypass a security feature locally.

Key dates

02Disclosure timeline

July 14, 2026 CVE published
September 2, 2026 Record updated