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TI-2022-06334 Aliases CVE-2022-21975GHSA-56vq-m685-pfgq

Windows Hyper-V Denial of Service Vulnerability

Priority LOW 22CWE-362Published · Updated

Key facts

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

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

Summary

Windows Hyper-V Denial of Service Vulnerability

Why it matters now

EPSS 0.00468 40th percentileScored 2026-11-07
Fix Fixed Microsoft: 9 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 10.0.17763.268610.0.17763.2686Patch availableCNA
MicrosoftWindows Server 201910.0.17763.0 to before 10.0.17763.268610.0.17763.2686Patch availableCNA
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0 to before 10.0.17763.268610.0.17763.2686Patch availableCNA
MicrosoftWindows 10 Version 190910.0.0 to before 10.0.18363.215810.0.18363.2158Patch availableCNA
MicrosoftWindows 10 Version 21H110.0.0 to before 10.0.19043.158610.0.19043.1586Patch availableCNA
MicrosoftWindows Server 202210.0.20348.0 to before 10.0.20348.58710.0.20348.587Patch availableCNA
MicrosoftWindows Server version 20H210.0.0 to before 10.0.19042.158610.0.19042.1586Patch availableCNA
MicrosoftWindows 10 Version 21H210.0.19043.0 to before 10.0.19044.158610.0.19044.1586Patch availableCNA
MicrosoftWindows 10 Version 150710.0.10240.0 to before 10.0.10240.1923510.0.10240.19235Patch availableCNA
MicrosoftWindows 10 Version 160710.0.14393.0 to before 10.0.14393.500610.0.14393.5006Patch availableCNA
MicrosoftWindows Server 201610.0.14393.0 to before 10.0.14393.500610.0.14393.5006Patch availableCNA
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0 to before 10.0.14393.500610.0.14393.5006Patch availableCNA
MicrosoftWindows 8.16.3.0 to before 6.3.9600.203036.3.9600.20303Patch availableCNA
MicrosoftWindows Server 2012 R26.3.9600.0 to before 6.3.9600.203036.3.9600.20303Patch availableCNA
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0 to before 6.3.9600.203036.3.9600.20303Patch availableCNA
  • Windows 10 Version 1809 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.2686 Fixed in 10.0.17763.2686 Patch available CNA
  • Windows Server 2019 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.2686 Fixed in 10.0.17763.2686 Patch available CNA
  • Windows Server 2019 (Server Core installation) VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.2686 Fixed in 10.0.17763.2686 Patch available CNA
  • Windows 10 Version 1909 VendorMicrosoft Affected 10.0.0 to before 10.0.18363.2158 Fixed in 10.0.18363.2158 Patch available CNA
  • Windows 10 Version 21H1 VendorMicrosoft Affected 10.0.0 to before 10.0.19043.1586 Fixed in 10.0.19043.1586 Patch available CNA
  • Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.587 Fixed in 10.0.20348.587 Patch available CNA
  • Windows Server version 20H2 VendorMicrosoft Affected 10.0.0 to before 10.0.19042.1586 Fixed in 10.0.19042.1586 Patch available CNA
  • Windows 10 Version 21H2 VendorMicrosoft Affected 10.0.19043.0 to before 10.0.19044.1586 Fixed in 10.0.19044.1586 Patch available CNA
  • Windows 10 Version 1507 VendorMicrosoft Affected 10.0.10240.0 to before 10.0.10240.19235 Fixed in 10.0.10240.19235 Patch available CNA
  • Windows 10 Version 1607 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.5006 Fixed in 10.0.14393.5006 Patch available CNA
  • Windows Server 2016 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.5006 Fixed in 10.0.14393.5006 Patch available CNA
  • Windows Server 2016 (Server Core installation) VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.5006 Fixed in 10.0.14393.5006 Patch available CNA
  • Windows 8.1 VendorMicrosoft Affected 6.3.0 to before 6.3.9600.20303 Fixed in 6.3.9600.20303 Patch available CNA
  • Windows Server 2012 R2 VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.20303 Fixed in 6.3.9600.20303 Patch available CNA
  • Windows Server 2012 R2 (Server Core installation) VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.20303 Fixed in 6.3.9600.20303 Patch available CNA

CPE configurations NVD · 13

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_8.1:-:*:*:*:-:*: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_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_8.1:-:*:*:*:-:*: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
Show 3 more CPE
CPEVersionsRoleVendor
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_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 9 updates

  • KB5011580
    Security Hotpatch Update
    • Microsoft Defender for Endpoint for Windows 10.0.20348.580
    • Windows Server 2022 10.0.20348.580
    • Windows Server 2022 (Server Core installation) 10.0.20348.580
  • KB5011564
    Monthly Rollup
    • Windows 8.1 for 32-bit systems 6.3.9600.20303
    • Windows 8.1 for x64-based systems 6.3.9600.20303
    • Windows Server 2012 R2 6.3.9600.20303
    • Windows Server 2012 R2 (Server Core installation) 6.3.9600.20303
  • KB5011560
    Security Only
    • Windows 8.1 for 32-bit systems 6.3.9600.20303
    • Windows 8.1 for x64-based systems 6.3.9600.20303
    • Windows Server 2012 R2 6.3.9600.20303
    • Windows Server 2012 R2 (Server Core installation) 6.3.9600.20303
Show 6 more Microsoft updates
  • KB5011503
    Security Update
    • Microsoft Defender for Endpoint for Windows 10.0.17763.2686
    • Windows 10 Version 1809 for 32-bit Systems 10.0.17763.2686
    • Windows 10 Version 1809 for ARM64-based Systems 10.0.17763.2686
    • Windows 10 Version 1809 for x64-based Systems 10.0.17763.2686
    • Windows Server 2019 10.0.17763.2686
    • Windows Server 2019 (Server Core installation) 10.0.17763.2686
  • KB5011497
    Security Update
    • Microsoft Defender for Endpoint for Windows 10.0.20348.587
    • Windows Server 2022 10.0.20348.587
    • Windows Server 2022 (Server Core installation) 10.0.20348.587
  • KB5011495
    Security Update
    • Windows 10 Version 1607 for 32-bit Systems 10.0.14393.5006
    • Windows 10 Version 1607 for x64-based Systems 10.0.14393.5006
    • Windows Server 2016 10.0.14393.5006
    • Windows Server 2016 (Server Core installation) 10.0.14393.5006
  • KB5011491
    Security Update
    • Windows 10 for 32-bit Systems 10.0.10240.19235
    • Windows 10 for x64-based Systems 10.0.10240.19235
  • KB5011487
    Security Update
    • Microsoft Defender for Endpoint for Windows 10.0.19042.1586, 10.0.19044.1586, 10.0.19043.1586
    • Windows 10 Version 20H2 for 32-bit Systems 10.0.19042.1586
    • Windows 10 Version 20H2 for ARM64-based Systems 10.0.19042.1586
    • Windows 10 Version 21H1 for 32-bit Systems 10.0.19043.1586
    • Windows 10 Version 21H1 for ARM64-based Systems 10.0.19043.1586
    • Windows 10 Version 21H1 for x64-based Systems 10.0.19043.1586
    • Windows 10 Version 21H2 for 32-bit Systems 10.0.19043.1586, 10.0.19044.1586
    • Windows 10 Version 21H2 for ARM64-based Systems 10.0.19044.1586
    • Windows 10 Version 21H2 for x64-based Systems 10.0.19044.1586
    • Windows Server, version 20H2 (Server Core Installation) 10.0.19042.1586
  • KB5011485
    Security Update
    • Microsoft Defender for Endpoint for Windows 10.0.18363.2158
    • Windows 10 Version 1909 for 32-bit Systems 10.0.18363.2158
    • Windows 10 Version 1909 for ARM64-based Systems 10.0.18363.2158
    • Windows 10 Version 1909 for x64-based Systems 10.0.18363.2158

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Denial of Service
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-21975
  2. 2026-10-03 Alias added: GHSA-56vq-m685-pfgq

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