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High severity7.5NVD Advisory· Published Mar 11, 2021· Updated Jun 17, 2026

CVE-2021-26896

CVE-2021-26896

Description

Windows DNS Server Denial of Service Vulnerability

Affected products

4

Microsoft/Windows Server 2012v5
cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*
Range: 6.2.0
Microsoft/Windows Server 2016v5
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
Range: 10.0.0
Microsoft/Windows Server 2019v5
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
Range: 10.0.0
Microsoft/Windows NT DNS Serverllm-fuzzy

Patches

Vulnerability mechanics

References

1

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26896nvdPatchVendor Advisory

News mentions

0

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