The authentication implementation in the RPC subsystem in Microsoft Windows Server 2003 SP2 and R2 SP2 Windows Vista SP2 Windows Server 2008 SP2 and R2 SP1 Windows 7 SP1 Windows 8 Windows 8.1 Windows Server 2012 Gold and R2 and Windows RT Gold and 8.1 does not prevent DCE/RPC connection reflection which allows local users to gain privileges via a crafted application aka \Windows RPC Elevation of Privilege Vulnerability.\