CVE-2026-116638 — HIGH (7.5)

Vulnerability 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.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Related Weaknesses (CWE)

CWE-288

References

FAQ

What is CVE-2026-116638?

CVE-2026-116638 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 physi...

How severe is CVE-2026-116638?

CVE-2026-116638 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-116638?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.