CVE-2026-116638

HIGH 7.5CVE-2026-116638 · Published 26/10/2026 · updated 30/10/2026

In short

CVE-2026-116638 is a HIGH (CVSS 7.5) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 0.42%, higher than 36.6% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

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.

References

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

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