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Microsoft Windows Kernel Stack-Based Buffer Overflow Vulnerability

CISA lists this Microsoft vulnerability as known exploited. Its MSRC release detail is outside this installation's collected history.

CISA catalog record

Stack-based buffer overflow in the RtlQueryRegistryValues function in win32k.sys in Microsoft Windows allows local users to gain privileges, and bypass the User Account Control (UAC) feature.

Product
Windows
Added to KEV
28 Mar 2022
Federal remediation due
21 Apr 2022
Known ransomware use
Not reported
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