Razer Synapse 2.20.15.1104 and earlier uses weak permissions for the Devices directory, which allows local users to gain privileges via a Trojan horse (1) RazerConfigNative.dll or (2) RazerConfigNativeLOC.dll file.
http://packetstormsecurity.com/files/143516/Razer-Synapse-2.20-DLL-Hijacking.html