CVE-2022-21921
Windows Defender Credential Guard Security Feature Bypass Vulnerability
Windows Defender Credential Guard Security Feature Bypass Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Windows Defender Credential Guard Security Feature Bypass Vulnerability
Windows Defender Credential Guard Security Feature Bypass Vulnerability
- Record
CVE-2022-21921- CVSS 3.1
- 4.4 Medium
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 - Updated
- 2026-11-02
EUVDEUVD-2022-27077
Windows Defender Credential Guard Security Feature Bypass Vulnerability
- Record
EUVD-2022-27077- CVSS 3.1
- 4.4 Medium
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 - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q528-27xh-7wmw
Windows Defender Credential Guard Security Feature Bypass Vulnerability.
Windows Defender Credential Guard Security Feature Bypass Vulnerability.
- Record
GHSA-q528-27xh-7wmw- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
NVD
Windows Defender Credential Guard Security Feature Bypass Vulnerability
- Record
CVE-2022-21921- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.9 Medium
AV:L/AC:L/Au:N/C:C/I:N/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-21921 is a medium vulnerability (CVSS 4.4) in Microsoft Windows 10 Version 20h2, published January 11, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.92%, the 60th percentile. No source names a fixed version.