MEDIUM 5.5 Microsoft

CVE-2023-21687

HTTP.sys Information Disclosure Vulnerability

Microsoft Security Update 2023-Feb: HTTP.sys Information Disclosure Vulnerability

Affected Products

Windows Server 2022
Windows Server 2022 (Server Core installation)
Windows 11 version 21H2 for x64-based Systems
Windows 11 version 21H2 for ARM64-based Systems
Windows 11 Version 22H2 for ARM64-based Systems
Windows 11 Version 22H2 for x64-based Systems

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21687
https://nvd.nist.gov/vuln/detail/CVE-2023-21687

Published: 2023-02-14 · Source: Microsoft · Feed updated: 2026-08-20

This medium severity vulnerability with a CVSS score of 5.5 was published on 2023-02-14 via Microsoft. Affected: Windows Server 2022, Windows Server 2022 (Server Core installation), Windows 11 version 21H2 for x64-based Systems and 3 more.

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