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CVE-2021-26893

Windows DNS Server Remote Code Execution Vulnerability

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 6.1.7601.24566, 6.0.6003.21070, 6.2.9200.23298, 6.3.9600.19968, 10.0.14393.4283, and 3 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: total

Summary

Windows DNS Server Remote Code Execution Vulnerability

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: total

  3. Record last updated

Affected versions

  • Microsoft Windows Server 2008 R2 Service Pack 1

    From 6.1.7601.0 · fixed in 6.1.7601.24566

  • Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)

    From 6.1.7601.0 · fixed in 6.1.7601.24566

  • Microsoft Windows Server 2008 Service Pack 2

    From 6.0.6003.0 · fixed in 6.0.6003.21070

  • Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)

    From 6.0.6003.0 · fixed in 6.0.6003.21070

  • Microsoft Windows Server 2012

    From 6.2.9200.0 · fixed in 6.2.9200.23298

  • Microsoft Windows Server 2012 (Server Core installation)

    From 6.2.9200.0 · fixed in 6.2.9200.23298

  • Microsoft Windows Server 2012 R2

    From 6.3.9600.0 · fixed in 6.3.9600.19968

  • Microsoft Windows Server 2012 R2 (Server Core installation)

    From 6.3.9600.0 · fixed in 6.3.9600.19968

  • Microsoft Windows Server 2016

    From 10.0.14393.0 · fixed in 10.0.14393.4283

  • Microsoft Windows Server 2016 (Server Core installation)

    From 10.0.14393.0 · fixed in 10.0.14393.4283

  • Microsoft Windows Server 2019

    From 10.0.17763.0 · fixed in 10.0.17763.1817

  • Microsoft Windows Server 2019 (Server Core installation)

    From 10.0.17763.0 · fixed in 10.0.17763.1817

  • Microsoft Windows Server version 2004

    From 10.0.0 · fixed in 10.0.19043.867

  • Microsoft Windows Server version 20H2

    From 10.0.0 · fixed in 10.0.19043.867

  • Microsoft Windows Server, version 1909 (Server Core installation)

    From 10.0.0 · fixed in 10.0.18363.1440

References 1

msrc.microsoft.com