CVE-2022-21894: microsoft windows_10 Incorrect Authorization
CVSS: 4.9v2.0MediumModified
Published 11-01-2022Last modified 02-01-2025
Vulnerability summary
CVE-2022-21894 is a medium (CVSS 4.9) Incorrect Authorization vulnerability in microsoft windows_10. EPSS estimates a 6.77% chance of exploitation in the next 30 days, higher than 93.9% of scored vulnerabilities.
CVSS score
4.9/10
010
Medium · v2.0 (NVD)EPSS score
6.77%
0%100%
Low · +0.20 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-01-2022PublishedVulnerability first disclosed.
- 02-01-2025Last modifiedVulnerability information updated.
Description
Secure Boot Security Feature Bypass Vulnerability
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 4.4Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST4.4MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Medium 4.9Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:N/I:C/A:NSourcesSingle source
EPSS trend
Probability
6.77%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
+0.20 pp
From 6.57% on 22-09-2026
22-09-202622-10-2026
EPSS score6.77%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft22 products
- windows_10na | 20h2 | 21h1 | 21h2 | 1607 | 1809 | 1909
- windows 10 version 1507≥ 10.0.10240.0, < 10.0.10240.19177
- windows 10 version 1607≥ 10.0.14393.0, < 10.0.14393.4886
- windows 10 version 1809≥ 10.0.17763.0, < 10.0.17763.2452 | ≥ 10.0.0, < 10.0.17763.2452
- windows 10 version 1909≥ 10.0.0, < 10.0.18363.2037
1 vendor · 22 products
References
2 links- msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21894Vendor Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21894X Refsource MISCX Transferred