CVE-2023-21800

Windows Installer Elevation of Privilege Vulnerability

CVE-2023-21800 is fixed in 6 products on 1 platform, first by KB5022874, released February 14, 2023. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

7.8

Important

Exploitation

None reported

Exploitation Less Likely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0107

64th percentile

Where it's fixed

Product	Fix	Released
Microsoft
Windows Server 2008 R2 for x64-based Systems Service Pack 1	KB5022874	Feb 14, 2023
Windows Server 2008 R2 for x64-based Systems Service Pack 1	KB5022872	Feb 14, 2023
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)	KB5022874	Feb 14, 2023
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)	KB5022872	Feb 14, 2023
Windows Server 2008 for 32-bit Systems Service Pack 2	KB5022893	Feb 14, 2023
Windows Server 2008 for 32-bit Systems Service Pack 2	KB5022890	Feb 14, 2023
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)	KB5022893	Feb 14, 2023
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)	KB5022890	Feb 14, 2023
Windows Server 2008 for x64-based Systems Service Pack 2	KB5022893	Feb 14, 2023
Windows Server 2008 for x64-based Systems Service Pack 2	KB5022890	Feb 14, 2023
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)	KB5022893	Feb 14, 2023
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)	KB5022890	Feb 14, 2023

Details

Published
February 14, 2023
Weakness
External Control of File Name or Path
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21800

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