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Vulnerability · Published Apr 15, 2022 · Assigned by microsoft

CVE-2022-26821Windows DNS Server Remote Code Execution Vulnerability

Medium 6.6

In plain English

A medium-severity race condition in Windows Server 2008 R2 Service Pack 1 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 80% of all known vulnerabilities).

Severity (CVSS 3.1)6.6Medium
Exploit odds (30 days)1.9%top 19.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Windows DNS Server Remote Code Execution Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.2803
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.2803
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.643
Microsoft Windows Server version 20H2 10.0.0 – before 10.0.19042.1645
Microsoft Windows Server 2016 10.0.14393.0 – before 10.0.14393.5066
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – before 10.0.14393.5066
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – before 6.0.6003.21446
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 – before 6.0.6003.21446
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – before 6.0.6003.21446
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 – before 6.1.7601.25924
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 – before 6.1.7601.25924
Microsoft Windows Server 2012 6.2.9200.0 – before 6.2.9200.23679
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – before 6.2.9200.23679
Microsoft Windows Server 2012 R2 6.3.9600.0 – before 6.3.9600.20337
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – before 6.3.9600.20337

Weakness: CWE-362 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References