HIGH 7.5 Microsoft

CVE-2023-28233

Windows Secure Channel Denial of Service Vulnerability

Microsoft Security Update 2023-Apr: Windows Secure Channel Denial of Service 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-2023-28233
https://nvd.nist.gov/vuln/detail/CVE-2023-28233

Published: 2023-04-11 · Source: Microsoft · Feed updated: 2026-09-17

This high severity vulnerability with a CVSS score of 7.5 was published on 2023-04-11 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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