CVE-2023-21819

Windows Secure Channel Denial of Service Vulnerability

State: Published
Severity: 7.5 High
Published: Feb 14, 2023
Updated: Aug 19, 2026
Reserved: Dec 16, 2022

Description

Windows Secure Channel Denial of Service Vulnerability

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-125 Out-of-bounds Read

Affected Products

Product	Versions
Windows 10 Version 1809Microsoft	10.0.17763.0 to before 10.0.17763.4010Affected
Windows 10 Version 1809Microsoft	10.0.0 to before 10.0.17763.4010Affected
Windows 10 Version 20H2Microsoft	10.0.0 to before 10.0.19042.2604Affected
Windows 10 Version 21H2Microsoft	10.0.19043.0 to before 10.0.19044.2604Affected
Windows 10 Version 22H2Microsoft	10.0.19045.0 to before 10.0.19045.2604Affected
Windows 11 version 21H2Microsoft	10.0.0 to before 10.0.22621.1574Affected
Windows Server 2019Microsoft	10.0.17763.0 to before 10.0.17763.4010Affected
Windows Server 2019 (Server Core installation)Microsoft	10.0.17763.0 to before 10.0.17763.4010Affected
Windows Server 2022Microsoft	10.0.20348.0 to before 10.0.20348.1547Affected

References

Windows Secure Channel Denial of Service Vulnerabilityvendor-advisorypatch

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