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TI-2022-10067 Aliases CVE-2022-26820GHSA-h349-mgv6-6cmc

Windows DNS Server Remote Code Execution Vulnerability

Priority LOW 33CWE-362Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
High
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

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

Summary

Windows DNS Server Remote Code Execution Vulnerability

Why it matters now

EPSS 0.01929 80th percentileScored 2026-11-07
Fix Fixed Microsoft: 12 updates

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftWindows Server 201910.0.17763.0 to before 10.0.17763.280310.0.17763.2803Patch availableCNA
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0 to before 10.0.17763.280310.0.17763.2803Patch availableCNA
MicrosoftWindows Server 202210.0.20348.0 to before 10.0.20348.64310.0.20348.643Patch availableCNA
MicrosoftWindows Server version 20H210.0.0 to before 10.0.19042.164510.0.19042.1645Patch availableCNA
MicrosoftWindows Server 201610.0.14393.0 to before 10.0.14393.506610.0.14393.5066Patch availableCNA
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0 to before 10.0.14393.506610.0.14393.5066Patch availableCNA
MicrosoftWindows Server 2008 Service Pack 26.0.6003.0 to before 6.0.6003.214466.0.6003.21446Patch availableCNA
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)6.0.6003.0 to before 6.0.6003.214466.0.6003.21446Patch availableCNA
MicrosoftWindows Server 2008 Service Pack 26.0.6003.0 to before 6.0.6003.214466.0.6003.21446Patch availableCNA
MicrosoftWindows Server 2008 R2 Service Pack 16.1.7601.0 to before 6.1.7601.259246.1.7601.25924Patch availableCNA
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)6.1.7601.0 to before 6.1.7601.259246.1.7601.25924Patch availableCNA
MicrosoftWindows Server 20126.2.9200.0 to before 6.2.9200.236796.2.9200.23679Patch availableCNA
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0 to before 6.2.9200.236796.2.9200.23679Patch availableCNA
MicrosoftWindows Server 2012 R26.3.9600.0 to before 6.3.9600.203376.3.9600.20337Patch availableCNA
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0 to before 6.3.9600.203376.3.9600.20337Patch availableCNA
  • Windows Server 2019 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.2803 Fixed in 10.0.17763.2803 Patch available CNA
  • Windows Server 2019 (Server Core installation) VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.2803 Fixed in 10.0.17763.2803 Patch available CNA
  • Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.643 Fixed in 10.0.20348.643 Patch available CNA
  • Windows Server version 20H2 VendorMicrosoft Affected 10.0.0 to before 10.0.19042.1645 Fixed in 10.0.19042.1645 Patch available CNA
  • Windows Server 2016 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.5066 Fixed in 10.0.14393.5066 Patch available CNA
  • Windows Server 2016 (Server Core installation) VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.5066 Fixed in 10.0.14393.5066 Patch available CNA
  • Windows Server 2008 Service Pack 2 VendorMicrosoft Affected 6.0.6003.0 to before 6.0.6003.21446 Fixed in 6.0.6003.21446 Patch available CNA
  • Windows Server 2008 Service Pack 2 (Server Core installation) VendorMicrosoft Affected 6.0.6003.0 to before 6.0.6003.21446 Fixed in 6.0.6003.21446 Patch available CNA
  • Windows Server 2008 Service Pack 2 VendorMicrosoft Affected 6.0.6003.0 to before 6.0.6003.21446 Fixed in 6.0.6003.21446 Patch available CNA
  • Windows Server 2008 R2 Service Pack 1 VendorMicrosoft Affected 6.1.7601.0 to before 6.1.7601.25924 Fixed in 6.1.7601.25924 Patch available CNA
  • Windows Server 2008 R2 Service Pack 1 (Server Core installation) VendorMicrosoft Affected 6.1.7601.0 to before 6.1.7601.25924 Fixed in 6.1.7601.25924 Patch available CNA
  • Windows Server 2012 VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.23679 Fixed in 6.2.9200.23679 Patch available CNA
  • Windows Server 2012 (Server Core installation) VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.23679 Fixed in 6.2.9200.23679 Patch available CNA
  • Windows Server 2012 R2 VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.20337 Fixed in 6.3.9600.20337 Patch available CNA
  • Windows Server 2012 R2 (Server Core installation) VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.20337 Fixed in 6.3.9600.20337 Patch available CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
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_2016:20h2:*:*:*:*:*:*:*20h2VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* Versions not specified by NVD 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_2016:20h2:*:*:*:*:*:*:* Versions 20h2 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft

Remediation

Microsoft 12 updates

  • KB5012670
    Monthly Rollup
    • Windows 8.1 for 32-bit systems 6.3.9600.20337
    • Windows 8.1 for x64-based systems 6.3.9600.20337
    • Windows Server 2012 R2 6.3.9600.20337
    • Windows Server 2012 R2 (Server Core installation) 6.3.9600.20337
  • KB5012666
    Security Only
    • Windows Server 2012 6.2.9200.23679
    • Windows Server 2012 (Server Core installation) 6.2.9200.23679
  • KB5012658
    Monthly Rollup
    • Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.21446
    • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.21446
    • Windows Server 2008 for x64-based Systems Service Pack 2 6.0.6003.21446
    • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 6.0.6003.21446
Show 9 more Microsoft updates
  • KB5012650
    Monthly Rollup
    • Windows Server 2012 6.2.9200.23679
    • Windows Server 2012 (Server Core installation) 6.2.9200.23679
  • KB5012649
    Security Only
    • Windows 7 for 32-bit Systems Service Pack 1 6.1.7601.25924
    • Windows 7 for x64-based Systems Service Pack 1 6.1.7601.25924
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.25924
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.25924
  • KB5012647
    Security Update
    • Windows 10 Version 1809 for 32-bit Systems 10.0.17763.2803
    • Windows 10 Version 1809 for ARM64-based Systems 10.0.17763.2803
    • Windows 10 Version 1809 for x64-based Systems 10.0.17763.2803
    • Windows Server 2019 10.0.17763.2803
    • Windows Server 2019 (Server Core installation) 10.0.17763.2803
  • KB5012639
    Security Only
    • Windows 8.1 for 32-bit systems 6.3.9600.20337
    • Windows 8.1 for x64-based systems 6.3.9600.20337
    • Windows RT 8.1 6.3.9600.20337
    • Windows Server 2012 R2 6.3.9600.20337
    • Windows Server 2012 R2 (Server Core installation) 6.3.9600.20337
  • KB5012632
    Security Only
    • Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.21446
    • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.21446
    • Windows Server 2008 for x64-based Systems Service Pack 2 6.0.6003.21446
    • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 6.0.6003.21446
  • KB5012626
    Monthly Rollup
    • Windows 7 for 32-bit Systems Service Pack 1 6.1.7601.25924
    • Windows 7 for x64-based Systems Service Pack 1 6.1.7601.25924
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.25924
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.25924
  • KB5012604
    Security Update
    • Windows Server 2022 10.0.20348.643
    • Windows Server 2022 (Server Core installation) 10.0.20348.643
  • KB5012599
    Security Update
    • Windows 10 Version 20H2 for 32-bit Systems 10.0.19042.1645
    • Windows 10 Version 20H2 for ARM64-based Systems 10.0.19042.1645
    • Windows 10 Version 21H1 for 32-bit Systems 10.0.19043.1645
    • Windows 10 Version 21H1 for ARM64-based Systems 10.0.19043.1645
    • Windows 10 Version 21H1 for x64-based Systems 10.0.19043.1645
    • Windows 10 Version 21H2 for 32-bit Systems 10.0.19043.1645, 10.0.19044.1645
    • Windows 10 Version 21H2 for ARM64-based Systems 10.0.19044.1645
    • Windows 10 Version 21H2 for x64-based Systems 10.0.19044.1645
    • Windows Server, version 20H2 (Server Core Installation) 10.0.19042.1645
  • KB5012596
    Security Update
    • Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 10.0.14393.5066
    • Windows 10 Version 1607 for 32-bit Systems 10.0.14393.5066
    • Windows 10 Version 1607 for x64-based Systems 10.0.14393.5066
    • Windows Server 2016 10.0.14393.5066
    • Windows Server 2016 (Server Core installation) 10.0.14393.5066

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Remote Code Execution
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-26820
  2. 2026-10-03 Alias added: GHSA-h349-mgv6-6cmc

References

Advisory 1

  • TI-2020-01431 Netlogon Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 10.0
  • TI-2020-01310 Improper input validation in Microsoft Windows Server KEVCVSS 3.1CRITICAL 10.0
  • TI-2019-00485 Use after free in Microsoft Windows KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-06077 Microsoft Windows XP SP3, Windows XP x64 XP2, Windows Server 2003 SP2, Windows Vista… KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-01465 HTTP.sys in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8, Windows 8.1… KEVCVSS 3.1CRITICAL 9.8
  • TI-2008-04072 The Server service in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and… KEVCVSS 3.1CRITICAL 9.8
See all 3551 →

Sources

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