bdagent.sys in BullGuard Antivirus, Internet Security, Premium Protection, and Online Backup before 15.0.288 allows local users to write data to arbitrary memory locations, and consequently gain privileges, via a crafted 0x0022405c IOCTL call.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2014-9452
http://www.greyhathacker.net/?p=818
http://www.exploit-db.com/exploits/35994
http://www.bullguard.com/about/release-notes.aspx
http://packetstormsecurity.com/files/130247/BullGuard-14.1.285.4-Privilege-Escalation.html