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K
zdiMarcin WiazowskiZDI-22-1069
HistoryAug 18, 2022 - 12:00 a.m.

(Pwn2Own) Microsoft Windows cdd Driver Memory Corruption Privilege Escalation Vulnerability

2022-08-1800:00:00
Marcin Wiazowski
www.zerodayinitiative.com
55
privilege escalation
microsoft windows
memory corruption

EPSS

0.001

Percentile

36.2%

This vulnerability allows local attackers to escalate privileges 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 cdd.dll driver. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.