CVE-2022-21899

MEDIUM

Microsoft Windows EFI - Security Feature Bypass

Title source: llm

Windows Extensible Firmware Interface Security Feature Bypass Vulnerability

Core 3

Core References

Vendor Advisory vendor-advisory

Vendor Advisory

Third Party Advisory

CVSS v3 5.5

EPSS 0.0143

EPSS Percentile 70.2%

Attack Vector LOCAL

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

Status published

Products (7)

microsoft/windows_10 (2 CPE variants)

microsoft/windows_7 (2 CPE variants)

microsoft/windows_8.1

microsoft/windows_rt_8.1

microsoft/windows_server_2008 r2 sp1

microsoft/windows_server_2012

microsoft/windows_server_2012 r2

Published Jan 11, 2022

Tracked Since Feb 18, 2026