Microsoft Windows Installer Service Directory Junction Information Disclosure Vulnerability

This vulnerability allows local attackers to disclose sensitive information 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 directory junction, an attacker can abuse the service to disclose the contents of arbitrary files. An attacker can leverage this vulnerability to disclose information in the context of SYSTEM.