CVE-2022-21887

Win32k Elevation of Privilege Vulnerability

CVE-2022-21887 is fixed in 2 products on 1 platform, first by KB5009566, released January 11, 2022. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

Urgent
CVSS
7.0
Important
Exploitation
More likely
Vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0112
66th percentile

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 11 version 21H2 for ARM64-based Systems 22000.434 KB5009566 Jan 11, 2022
Windows 11 version 21H2 for x64-based Systems 22000.434 KB5009566 Jan 11, 2022

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