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zdiAbdelhamid NaceriZDI-21-1552
HistoryDec 21, 2021 - 12:00 a.m.

Microsoft Windows Print Spooler Link Following Privilege Escalation Vulnerability

2021-12-2100:00:00
Abdelhamid Naceri
www.zerodayinitiative.com
21

0.001 Low

EPSS

Percentile

27.2%

This vulnerability allows local attackers to escape the low integrity sandbox 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 Print Spooler service. The service can be abused to create an arbitrary file. An attacker can leverage this vulnerability to execute code in the context of the current user at medium integrity.