CVE-2022-26820

MediumCVSS 6.6/10Last modified Jun 17, 2026

Description

Windows DNS Server Remote Code Execution Vulnerability

Metrics

CVSS 3.1 6.6/10CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

VendorProductVersions
MicrosoftWindows Server 2019>= 10.0.17763.0, < 10.0.17763.2803
MicrosoftWindows Server 2019 (Server Core installation)>= 10.0.17763.0, < 10.0.17763.2803
MicrosoftWindows Server 2022>= 10.0.20348.0, < 10.0.20348.643
MicrosoftWindows Server version 20H2>= 10.0.0, < 10.0.19042.1645
MicrosoftWindows Server 2016>= 10.0.14393.0, < 10.0.14393.5066
MicrosoftWindows Server 2016 (Server Core installation)>= 10.0.14393.0, < 10.0.14393.5066
MicrosoftWindows Server 2008 Service Pack 2>= 6.0.6003.0, < 6.0.6003.21446
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)>= 6.0.6003.0, < 6.0.6003.21446
MicrosoftWindows Server 2008 Service Pack 2>= 6.0.6003.0, < 6.0.6003.21446
MicrosoftWindows Server 2008 R2 Service Pack 1>= 6.1.7601.0, < 6.1.7601.25924
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)>= 6.1.7601.0, < 6.1.7601.25924
MicrosoftWindows Server 2012>= 6.2.9200.0, < 6.2.9200.23679
MicrosoftWindows Server 2012 (Server Core installation)>= 6.2.9200.0, < 6.2.9200.23679
MicrosoftWindows Server 2012 R2>= 6.3.9600.0, < 6.3.9600.20337
MicrosoftWindows Server 2012 R2 (Server Core installation)>= 6.3.9600.0, < 6.3.9600.20337

References

Timeline

Published
Apr 15, 2022
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2022

CVE-2022-26820: Medium severity, CVSS 6.6 | Vulnix