Read the docs
TI-2022-06266 Aliases CVE-2022-21900GHSA-r5xm-97qq-84pj

Windows Hyper-V Security Feature Bypass Vulnerability

Priority LOW 22Published · Updated

Key facts

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

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

Summary

Windows Hyper-V Security Feature Bypass Vulnerability

Why it matters now

EPSS 0.0068 52nd percentileScored 2026-11-07
Fix Fixed Microsoft: 13 updates

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftWindows 10 Version 180910.0.17763.0 to before 10.0.17763.245210.0.17763.2452Patch availableCNA
MicrosoftWindows Server 201910.0.17763.0 to before 10.0.17763.245210.0.17763.2452Patch availableCNA
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0 to before 10.0.17763.245210.0.17763.2452Patch availableCNA
MicrosoftWindows 10 Version 190910.0.0 to before 10.0.18363.203710.0.18363.2037Patch availableCNA
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 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 10.0.19044.146610.0.19044.1466Patch availableCNA
MicrosoftWindows 10 Version 150710.0.10240.0 to before 10.0.10240.1917710.0.10240.19177Patch availableCNA
MicrosoftWindows 10 Version 160710.0.14393.0 to before 10.0.14393.488610.0.14393.4886Patch availableCNA
MicrosoftWindows Server 201610.0.14393.0 to before 10.0.14393.488610.0.14393.4886Patch availableCNA
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0 to before 10.0.14393.488610.0.14393.4886Patch availableCNA
MicrosoftWindows 7 Service Pack 16.1.0 to before 6.1.7601.258296.1.7601.25829Patch availableCNA
MicrosoftWindows 8.16.3.0 to before 6.3.9600.202466.3.9600.20246Patch availableCNA
MicrosoftWindows Server 2008 R2 Service Pack 16.1.7601.0 to before 6.1.7601.258296.1.7601.25829Patch availableCNA
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)6.1.7601.0 to before 6.1.7601.258296.1.7601.25829Patch availableCNA
MicrosoftWindows Server 20126.2.9200.0 to before 6.2.9200.235846.2.9200.23584Patch availableCNA
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0 to before 6.2.9200.235846.2.9200.23584Patch availableCNA
MicrosoftWindows Server 2012 R26.3.9600.0 to before 6.3.9600.202466.3.9600.20246Patch availableCNA
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0 to before 6.3.9600.202466.3.9600.20246Patch availableCNA
  • Windows 10 Version 1809 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.2452 Fixed in 10.0.17763.2452 Patch available CNA
  • Windows Server 2019 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.2452 Fixed in 10.0.17763.2452 Patch available CNA
  • Windows Server 2019 (Server Core installation) VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.2452 Fixed in 10.0.17763.2452 Patch available CNA
  • Windows 10 Version 1909 VendorMicrosoft Affected 10.0.0 to before 10.0.18363.2037 Fixed in 10.0.18363.2037 Patch available CNA
  • 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 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 10.0.19044.1466 Fixed in 10.0.19044.1466 Patch available CNA
  • Windows 10 Version 1507 VendorMicrosoft Affected 10.0.10240.0 to before 10.0.10240.19177 Fixed in 10.0.10240.19177 Patch available CNA
  • Windows 10 Version 1607 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.4886 Fixed in 10.0.14393.4886 Patch available CNA
  • Windows Server 2016 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.4886 Fixed in 10.0.14393.4886 Patch available CNA
  • Windows Server 2016 (Server Core installation) VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.4886 Fixed in 10.0.14393.4886 Patch available CNA
  • Windows 7 Service Pack 1 VendorMicrosoft Affected 6.1.0 to before 6.1.7601.25829 Fixed in 6.1.7601.25829 Patch available CNA
  • Windows 8.1 VendorMicrosoft Affected 6.3.0 to before 6.3.9600.20246 Fixed in 6.3.9600.20246 Patch available CNA
  • Windows Server 2008 R2 Service Pack 1 VendorMicrosoft Affected 6.1.7601.0 to before 6.1.7601.25829 Fixed in 6.1.7601.25829 Patch available CNA
  • Windows Server 2008 R2 Service Pack 1 (Server Core installation) VendorMicrosoft Affected 6.1.7601.0 to before 6.1.7601.25829 Fixed in 6.1.7601.25829 Patch available CNA
  • Windows Server 2012 VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.23584 Fixed in 6.2.9200.23584 Patch available CNA
  • Windows Server 2012 (Server Core installation) VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.23584 Fixed in 6.2.9200.23584 Patch available CNA
  • Windows Server 2012 R2 VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.20246 Fixed in 6.3.9600.20246 Patch available CNA
  • Windows Server 2012 R2 (Server Core installation) VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.20246 Fixed in 6.3.9600.20246 Patch available CNA

CPE configurations NVD · 17

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:*20h2VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x64:*21h1VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:x64:*21h2VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:*1607VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:*1809VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:*1909VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x64:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:*not specified by NVDVulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:* Versions 20h2 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x64:* Versions 21h1 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:x64:* Versions 21h2 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:* Versions 1607 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:* Versions 1809 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:* Versions 1909 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x64:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:* Versions not specified by NVD Vulnerable ·Microsoft
Show 7 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_server:20h2:*:*:*:*:*:*:*20h2VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server:2022:*:*:*:*:*:*:*2022VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*r2 sp1VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*r2VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_server:20h2:*:*:*:*:*:*:* Versions 20h2 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server:2022:*:*:*:*:*:*:* Versions 2022 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* Versions r2 sp1 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* Versions r2 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft

Remediation

Microsoft 13 updates

  • Monthly Rollup
    • Windows 8.1 for 32-bit systems 6.3.9600.20246
    • Windows 8.1 for x64-based systems 6.3.9600.20246
    • Windows RT 8.1 6.3.9600.20246
    • Windows Server 2012 R2 6.3.9600.20246
    • Windows Server 2012 R2 (Server Core installation) 6.3.9600.20246
  • Security Only
    • Windows 7 for 32-bit Systems Service Pack 1 6.1.7601.25829
    • Windows 7 for x64-based Systems Service Pack 1 6.1.7601.25829
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.25829
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.25829
  • Security Only
    • Windows Server 2012 6.2.9200.23584
    • Windows Server 2012 (Server Core installation) 6.2.9200.23584
Show 10 more Microsoft updates
  • Monthly Rollup
    • Windows 7 for 32-bit Systems Service Pack 1 6.1.7601.25829
    • Windows 7 for x64-based Systems Service Pack 1 6.1.7601.25829
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.25829
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.25829
  • Security Only
    • Windows 8.1 for 32-bit systems 6.3.9600.20246
    • Windows 8.1 for x64-based systems 6.3.9600.20246
    • Windows Server 2012 R2 6.3.9600.20246
    • Windows Server 2012 R2 (Server Core installation) 6.3.9600.20246
  • Monthly Rollup
    • Windows Server 2012 6.2.9200.23584
    • Windows Server 2012 (Server Core installation) 6.2.9200.23584
  • Security Update
    • Microsoft .NET Framework 3.5 AND 4.7.2 10.0.10240.19177
    • Windows 10 for 32-bit Systems 10.0.10240.19177
    • Windows 10 for x64-based Systems 10.0.10240.19177
  • 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
  • Security Update
    • Windows 10 Version 1809 for 32-bit Systems 10.0.17763.2452
    • Windows 10 Version 1809 for ARM64-based Systems 10.0.17763.2452
    • Windows 10 Version 1809 for x64-based Systems 10.0.17763.2452
    • Windows Server 2019 10.0.17763.2452
    • Windows Server 2019 (Server Core installation) 10.0.17763.2452
  • Security Update
    • Windows Server 2022 10.0.20348.469
    • Windows Server 2022 (Server Core installation) 10.0.20348.469
  • Security Update
    • Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 10.0.14393.4886
    • Windows 10 Version 1607 for 32-bit Systems 10.0.14393.4886
    • Windows 10 Version 1607 for x64-based Systems 10.0.14393.4886
    • Windows Server 2016 10.0.14393.4886
    • Windows Server 2016 (Server Core installation) 10.0.14393.4886
  • Security Update
    • Windows 10 Version 1909 for 32-bit Systems 10.0.18363.2037
    • Windows 10 Version 1909 for ARM64-based Systems 10.0.18363.2037
    • Windows 10 Version 1909 for x64-based Systems 10.0.18363.2037
  • 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-2022-21900
  2. 2026-10-03 Alias added: GHSA-r5xm-97qq-84pj
  3. 2026-10-04 EPSS moved to the 50th–90th percentile

References

  • 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