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 CSRSS.exe process. By sending a crafted message to CSRSS, an attacker can cause an arbitrary DLL to be loaded. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.