The GLCKIo low-level driver in ASUS Aura Sync v1.07.22 and earlier exposes a path to write an arbitrary DWORD to an arbitrary address.
https://www.secureauth.com/labs/advisories/asus-drivers-elevation-privilege-vulnerabilities
http://www.securityfocus.com/bid/106250
http://seclists.org/fulldisclosure/2018/Dec/34
http://packetstormsecurity.com/files/150893/ASUS-Driver-Privilege-Escalation.html