Auth bypass in Microsoft Windows 10
CVE-2022-21894
Secure Boot Security Feature Bypass Vulnerability
Vulnerability class: Broken Access Control
EPSS: 0.060 (92.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Microsoft Windows_10 — versions 20h2, 21h1, 21h2
- Microsoft Windows 10 Version 1507 — versions 10.0.10240.0
- Microsoft Windows 10 Version 1607 — versions 10.0.14393.0
- Microsoft Windows 10 Version 1809 — versions 10.0.17763.0, 10.0.0
- Microsoft Windows 10 Version 1909 — versions 10.0.0
- Microsoft Windows 10 Version 20h2 — versions 10.0.0
- Microsoft Windows 10 Version 21h1 — versions 10.0.0
- Microsoft Windows 10 Version 21h2 — versions 10.0.19043.0
- Microsoft Windows_11
- Microsoft Windows 11 Version 21h2 — versions 10.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (vendor-advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2022-21894?
- CVE-2022-21894 is a medium-severity vulnerability in Microsoft Windows 10, classified under Incorrect Authorization. CVSS score: 4.4/10. Published 2022-01-11.
- How severe is CVE-2022-21894?
- Medium severity. CVSS v3 base score is 4.4 out of 10.
- Is CVE-2022-21894 known to be exploited?
- 35 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.