nvSCPAPISvr.exe in the Stereoscopic 3D Driver Service in the NVIDIA GPU graphics driver R340 before 341.92, R352 before 354.35, and R358 before 358.87 on Windows does not properly restrict access to the stereosvrpipe named pipe, which allows local users to gain privileges via a commandline in a number 2 command, which is stored in the HKEY_LOCAL_MACHINE explorer Run registry key, a different vulnerability than CVE-2011-4784.