High MSRC-CVE-2023-28233 1 CVE

Windows Secure Channel Denial of Service Vulnerability

Published Apr 11, 2023 · Updated Apr 11, 2023

Vendor: Microsoft

Summary

Impact: Denial of Service. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

Does this vulnerability affect all versions of TLS?
No. Only those devices running TLS 1.3 are affected. For more information on supported TLS implementations please visit: https://learn.microsoft.com/en-us/windows/win32/secauthn/protocols-in-tls-ssl--schannel-ssp-

Security updates
10.0.20348.1668 — https://support.microsoft.com/help/5025230
10.0.22000.1817 — https://support.microsoft.com/help/5025224
10.0.22621.1555 — https://support.microsoft.com/help/5025239

Vulnerabilities 1

High 7.5

CVE-2023-28233

Windows Secure Channel Denial of Service Vulnerability

Windows Secure Channel Denial of Service Vulnerability

Microsoft Windows Server 2022 Windows 11 version 22H2 Windows 11 version 21H2 Windows

Apr 11, 2023

Revision history

2023-04-11 #1
Information published.

References

CVE-2023-28233 Windows Secure Channel Denial of Service Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28233
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss