Lucene search

K
zdiAbdelhamid NaceriZDI-21-1308
HistoryNov 11, 2021 - 12:00 a.m.

Microsoft Windows Installer Service Link Following Privilege Escalation Vulnerability

2021-11-1100:00:00
Abdelhamid Naceri
www.zerodayinitiative.com
33

0.004 Low

EPSS

Percentile

72.9%

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 Windows Installer service. By creating a junction, an attacker can abuse the service to delete a file or directory. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.