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zdiAnonymousZDI-20-663
HistoryMay 19, 2020 - 12:00 a.m.

(0Day) Microsoft Windows splwow64 Untrusted Pointer Dereference Privilege Escalation Vulnerability

2020-05-1900:00:00
Anonymous
www.zerodayinitiative.com
102

EPSS

0.001

Percentile

32.8%

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 user-mode printer driver host process splwow64.exe. The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this vulnerability to escalate privileges from low integrity and execute code in the context of the current user at medium integrity.