Critical severity9.8NVD Advisory· Published Mar 11, 2021· Updated Jun 17, 2026
CVE-2021-26894
CVE-2021-26894
Description
Windows DNS Server Remote Code Execution Vulnerability
Affected products
14cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*+ 2 more
- cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_server_2008:sp2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:sp2:*:*:*:*:x86:*:*
cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*+ 2 more
- cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*range: 6.2.0
- cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:-:*:-:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
1- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26894nvdPatchVendor Advisory
News mentions
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