Razer Synapse 2.20.15.1104 and earlier uses weak permissions for the CrashReporter directory, which allows local users to gain privileges via a Trojan horse dbghelp.dll file.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2017-3264
http://packetstormsecurity.com/files/143516/Razer-Synapse-2.20-DLL-Hijacking.html