CVE-2026-116638

State: Published
Severity: 7.5 High
Published: Oct 26, 2026
Updated: Oct 30, 2026
Reserved: Oct 26, 2026

Description

The Windows Recovery Environment (WinRE) in Windows 10 and 11 may allow an attacker to bypass firmware security controls, including administrator-configured UEFI/BIOS passwords. An attacker with physical or administrative access to a device may be able to leverage WinRE-related boot mechanisms to circumvent firmware protections and gain unauthorized access to system resources.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N	CISA-ADP

Weaknesses

CWE-288 Authentication Bypass Using an Alternate Path or Channel

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://kb.cert.org/vuls/id/226679
https://beafn28.es/articulos/winre-uefi-bypass
https://www.kb.cert.org/vuls/id/226679

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.