CVE-2022-21921 json
Windows Defender Credential Guard Security Feature Bypass Vulnerability
published 2022-01-11 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-27077
- cvss
- 4.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
Summary
Windows Defender Credential Guard Security Feature Bypass Vulnerability
Patch / fix
- Microsoft Windows 10 Version 21H1 10.0.19043.1466
- Microsoft Windows Server 2022 10.0.20348.469
- Microsoft Windows 10 Version 20H2 10.0.19042.1466
- Microsoft Windows Server version 20H2 10.0.19042.1466
- Microsoft Windows 11 version 21H2 10.0.22000.434
- Microsoft Windows 10 Version 21H2 10.0.19043.1466
Exploit prediction
0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C |
| CNA | 3.1 | 4.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.9 | AV:L/AC:L/Au:N/C:C/I:N/A:N |
Affected products
- Microsoft Windows 10 Version 21H1
- Microsoft Windows Server 2022
- Microsoft Windows 10 Version 20H2
- Microsoft Windows Server version 20H2
- Microsoft Windows 11 version 21H2
- Microsoft Windows 10 Version 21H2
References
Sources
- CVE List CVE-2022-21921
- NVD CVE-2022-21921
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