Unquoted Windows search path vulnerability in the ptservice service prior to PrivateTunnel version 3.0 (Windows) and OpenVPN Connect version 3.1 (Windows) allows local users to gain privileges via a crafted program.exe file in the %SYSTEMDRIVE% folder.
https://github.com/CVEProject/cvelist/pull/3909/commits/ace34f1cf94602f31760d3eb7ae68e17df8f914d
https://github.com/CVEProject/cvelist/pull/3909
https://euvd.enisa.europa.eu/vulnerability/EUVD-2014-5342
http://www.zeroscience.mk/en/vulnerabilities/ZSL-2014-5192.php
http://packetstormsecurity.com/files/127439/OpenVPN-Private-Tunnel-Privilege-Escalation.html