Microsoft Windows Server 2008 R2 SP1 Windows 7 SP1 Windows 8 Windows 8.1 Windows Server 2012 Gold and R2 and Windows RT Gold and 8.1 allow local users to gain privileges via a crafted application that leverages incorrect impersonation handling in a process that uses the SeAssignPrimaryTokenPrivilege privilege aka \Windows Create Process Elevation of Privilege Vulnerability.\