source: http://www.securityfocus.com/bid/34444/info

Microsoft Windows is prone to a privilege-escalation vulnerability.

Successful exploits may allow attackers to elevate their privileges to LocalSystem, which would facilitate the complete compromise of affected computers.

The issue affects the following:

Windows Vista
Windows Server 2008 

https://github.com/offensive-security/exploit-database-bin-sploits/raw/master/sploits/32893.zip