CVE-2021-36942

Windows LSA Spoofing Vulnerability

State: Published
Severity: 7.5 High
Published: Aug 12, 2021
Updated: Aug 10, 2026
Reserved: Jul 19, 2021

Description

Windows LSA Spoofing 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:H/I:N/A:N/E:F/RL:O/RC:C	microsoft

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
Windows Server 2008 R2 Service Pack 1Microsoft	6.1.7601.0 to before 6.1.7601.25685Affected
Windows Server 2008 R2 Service Pack 1 (Server Core installation)Microsoft	6.1.7601.0 to before 6.1.7601.25685Affected
Windows Server 2008 Service Pack 2Microsoft	6.0.6003.0 to before 6.0.6003.21192Affected
Windows Server 2008 Service Pack 2 (Server Core installation)Microsoft	6.0.6003.0 to before 6.0.6003.21192Affected
Windows Server 2012Microsoft	6.2.9200.0 to before 6.2.9200.23435Affected
Windows Server 2012 (Server Core installation)Microsoft	6.2.9200.0 to before 6.2.9200.23435Affected
Windows Server 2012 R2Microsoft	6.3.9600.0 to before 6.3.9600.20094Affected
Windows Server 2012 R2 (Server Core installation)Microsoft	6.3.9600.0 to before 6.3.9600.20094Affected
Windows Server 2016Microsoft	10.0.14393.0 to before 10.0.14393.4583Affected
Windows Server 2016 (Server Core installation)Microsoft	10.0.14393.0 to before 10.0.14393.4583Affected
Windows Server 2019Microsoft	10.0.17763.0 to before 10.0.17763.2114Affected
Windows Server 2019 (Server Core installation)Microsoft	10.0.17763.0 to before 10.0.17763.2114Affected
Windows Server version 2004Microsoft	10.0.0 to before 10.0.19041.1165Affected
Windows Server version 20H2Microsoft	10.0.0 to before 10.0.19042.1165Affected

References

Windows LSA Spoofing Vulnerabilityvendor-advisorypatch
VU#405600third-party-advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36942
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-36942government-resource

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.