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TI-2022-06286 Aliases CVE-2022-21921GHSA-q528-27xh-7wmw

Windows Defender Credential Guard Security Feature Bypass Vulnerability

Priority LOW 22Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.

Summary

Windows Defender Credential Guard Security Feature Bypass Vulnerability

Why it matters now

EPSS 0.00922 60th percentileScored 2026-11-07
Fix Fixed Microsoft: 3 updates

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftWindows 10 Version 21H110.0.0 to before 10.0.19043.146610.0.19043.1466Patch availableCNA
MicrosoftWindows Server 202210.0.20348.0 to before 10.0.20348.46910.0.20348.469Patch availableCNA
MicrosoftWindows 10 Version 20H210.0.0 to before 10.0.19042.146610.0.19042.1466Patch availableCNA
MicrosoftWindows Server version 20H210.0.0 to before 10.0.19042.146610.0.19042.1466Patch availableCNA
MicrosoftWindows 11 version 21H210.0.0 to before 10.0.22000.43410.0.22000.434Patch availableCNA
MicrosoftWindows 10 Version 21H210.0.19043.0 to before 10.0.19043.146610.0.19043.1466Patch availableCNA
  • Windows 10 Version 21H1 VendorMicrosoft Affected 10.0.0 to before 10.0.19043.1466 Fixed in 10.0.19043.1466 Patch available CNA
  • Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.469 Fixed in 10.0.20348.469 Patch available CNA
  • Windows 10 Version 20H2 VendorMicrosoft Affected 10.0.0 to before 10.0.19042.1466 Fixed in 10.0.19042.1466 Patch available CNA
  • Windows Server version 20H2 VendorMicrosoft Affected 10.0.0 to before 10.0.19042.1466 Fixed in 10.0.19042.1466 Patch available CNA
  • Windows 11 version 21H2 VendorMicrosoft Affected 10.0.0 to before 10.0.22000.434 Fixed in 10.0.22000.434 Patch available CNA
  • Windows 10 Version 21H2 VendorMicrosoft Affected 10.0.19043.0 to before 10.0.19043.1466 Fixed in 10.0.19043.1466 Patch available CNA

CPE configurations NVD · 13

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:arm64:*20h2VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:*20h2VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x86:*20h2VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:arm64:*21h1VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x64:*21h1VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x86:*21h1VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:arm64:*21h2VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:x64:*21h2VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:x86:*21h2VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:*not specified by NVDVulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:arm64:* Versions 20h2 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:* Versions 20h2 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x86:* Versions 20h2 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:arm64:* Versions 21h1 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x64:* Versions 21h1 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x86:* Versions 21h1 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:arm64:* Versions 21h2 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:x64:* Versions 21h2 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:x86:* Versions 21h2 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:* Versions not specified by NVD Vulnerable ·Microsoft
Show 3 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server:20h2:*:*:*:*:*:*:*20h2VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server:2022:*:*:*:*:*:*:*2022VulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server:20h2:*:*:*:*:*:*:* Versions 20h2 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server:2022:*:*:*:*:*:*:* Versions 2022 Vulnerable ·Microsoft

Remediation

Microsoft 3 updates

  • KB5009566
    Security Update
    • Windows 11 version 21H2 for ARM64-based Systems 10.0.22000.434
    • Windows 11 version 21H2 for x64-based Systems 10.0.22000.434
  • KB5009555
    Security Update
    • Windows Server 2022 10.0.20348.469
    • Windows Server 2022 (Server Core installation) 10.0.20348.469
  • KB5009543
    Security Update
    • Windows 10 Version 20H2 for 32-bit Systems 10.0.19042.1466, 10.0.19042.1526
    • Windows 10 Version 20H2 for ARM64-based Systems 10.0.19042.1466, 10.0.19042.1526
    • Windows 10 Version 21H1 for 32-bit Systems 10.0.19043.1466
    • Windows 10 Version 21H1 for ARM64-based Systems 10.0.19043.1466
    • Windows 10 Version 21H1 for x64-based Systems 10.0.19043.1466
    • Windows 10 Version 21H2 for 32-bit Systems 10.0.19044.1466, 10.0.19043.1466
    • Windows 10 Version 21H2 for ARM64-based Systems 10.0.19044.1466
    • Windows 10 Version 21H2 for x64-based Systems 10.0.19044.1466
    • Windows Server, version 20H2 (Server Core Installation) 10.0.19042.1466, 10.0.19042.1526

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Security Feature Bypass
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-21921
  2. 2026-10-03 Alias added: GHSA-q528-27xh-7wmw

References

Advisory 1

  • TI-2015-02132 Buffer underflow in atmfd.dll in the Windows Adobe Type Manager Library in Microsoft… KEVCVSS 3.1HIGH 8.8
  • TI-2022-10056 Remote Procedure Call Runtime Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2022-06273 HTTP Protocol Stack Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2019-00906 Remote Desktop Services Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2022-15533 Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2015-01587 Mount Manager in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows… KEVCVSS 3.1MEDIUM 6.6
See all 2973 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences