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Fencer Vulns
high 7.2

CVE-2022-26812 json

Windows DNS Server Remote Code Execution Vulnerability

published 2022-04-15 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-31362

cvss
7.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.8%
EPSS 3.8% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

Windows DNS Server Remote Code Execution Vulnerability

Patch / fix

  • Microsoft Windows Server 2019 10.0.17763.2803
  • Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.2803
  • Microsoft Windows Server 2022 10.0.20348.643
  • Microsoft Windows Server version 20H2 10.0.19042.1645
  • Microsoft Windows Server 2016 10.0.14393.5066
  • Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.5066
  • Microsoft Windows Server 2008 Service Pack 2 6.0.6003.21446
  • Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.21446
  • Microsoft Windows Server 2008 Service Pack 2 6.0.6003.21446
  • Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.25924
  • Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.25924
  • Microsoft Windows Server 2012 6.2.9200.23679
  • Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.23679
  • Microsoft Windows Server 2012 R2 6.3.9600.20337
  • Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.20337

Exploit prediction

3.84% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CNA 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C

Affected products

  • Microsoft Windows Server 2019
  • Microsoft Windows Server 2019 (Server Core installation)
  • Microsoft Windows Server 2022
  • Microsoft Windows Server version 20H2
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2016 (Server Core installation)
  • Microsoft Windows Server 2008 Service Pack 2
  • Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)
  • Microsoft Windows Server 2008 Service Pack 2
  • Microsoft Windows Server 2008 R2 Service Pack 1
  • Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)
  • Microsoft Windows Server 2012
  • Microsoft Windows Server 2012 (Server Core installation)
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2012 R2 (Server Core installation)

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.