HIGH 7.5 Microsoft

CVE-2024-21342

Windows DNS Client Denial of Service Vulnerability

Microsoft Security Update 2024-Feb: Windows DNS Client Denial of Service Vulnerability

Affected Products

Windows 11 Version 22H2 for ARM64-based Systems
Windows 11 Version 22H2 for x64-based Systems
Windows 11 Version 23H2 for ARM64-based Systems
Windows 11 Version 23H2 for x64-based Systems
Windows Server 2022, 23H2 Edition (Server Core installation)

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21342
https://nvd.nist.gov/vuln/detail/CVE-2024-21342

Published: 2024-02-13 · Source: Microsoft · Feed updated: 2026-08-10

This high severity vulnerability with a CVSS score of 7.5 was published on 2024-02-13 via Microsoft. Affected: Windows 11 Version 22H2 for ARM64-based Systems, Windows 11 Version 22H2 for x64-based Systems, Windows 11 Version 23H2 for ARM64-based Systems and 2 more.

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