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zdiMarcin WiazowskiZDI-22-1675
HistoryDec 16, 2022 - 12:00 a.m.

Microsoft Windows win32kfull Null Pointer Dereference Denial-of-Service Vulnerability

2022-12-1600:00:00
Marcin Wiazowski
www.zerodayinitiative.com
23
microsoft windows
win32kfull
null pointer dereference
dos vulnerability
local attacker
low-privileged code
exploit

EPSS

0.001

Percentile

25.5%

This vulnerability allows local attackers to create a denial-of-service condition on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the win32kfull driver. The issue results from dereferencing a NULL pointer. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.