CVE-2023-21542

Vulnerabilidad de elevación de privilegios del instalador de Windows

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 create files in an arbitrary folder. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.