High severity7.2NVD Advisory· Published Oct 13, 2021· Updated Jun 17, 2026
CVE-2021-40469
CVE-2021-40469
Description
Windows DNS Server Remote Code Execution Vulnerability
Affected products
5- cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23490:*:*:*:*:*:x64:*Range: 6.2.0
- cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4704:*:*:*:*:*:*:*Range: 10.0.0
- cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2237:*:*:*:*:*:*:*Range: 10.0.0
- cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.288:*:*:*:*:*:*:*Range: 10.0.0
Patches
Vulnerability mechanics
References
1- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40469nvdPatchVendor Advisory
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