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8.8

Windows DNS Server Remote Code Execution Vulnerability

CVE-2022-21984 · published 4 years ago
Summary

Windows DNS Server Remote Code Execution Vulnerability

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
microsoft windows_10 20h2
21h1
21h2
1909
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:arm64:*
microsoft windows_11 All versions
cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:*
microsoft windows_server 20h2
2022
cpe:2.3:o:microsoft:windows_server:20h2:*:*:*:*:*:*:*
Original advisory text
Windows DNS Server Remote Code Execution Vulnerability
Windows DNS Server Remote Code Execution Vulnerability
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
8.8 High
Exploitation
5% chance of attack within 30 days
Timeline
Published9 Feb 2022
Updated3 Nov 2026
First seen29 Sep 2026
Sources
CVE-2022-21984 · NVD
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