CVE-2024-20686

Win32k Elevation of Privilege Vulnerability

CVE-2024-20686 is fixed in Windows Server 2022, 23H2 Edition (Server Core installation) on 1 platform by KB5034130 (version 25398.643), released January 9, 2024. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

Urgent

CVSS

7.8

Important

Exploitation

More likely

Vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0067

52nd percentile

Where it's fixed

Product	Fixed in	Fix	Released
Microsoft
Windows Server 2022, 23H2 Edition (Server Core installation)	25398.643	KB5034130	Jan 9, 2024

Details

Published
January 9, 2024
Weakness
Sensitive Data Storage in Improperly Locked Memory
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-20686

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