Comodo Firewall Pro (CFP) (formerly Comodo Personal Firewall) 2.4.18.184 and earlier allows local users to bypass driver protections on the HKLM\SYSTEM\Software\Comodo\Personal Firewall registry key by guessing the name of a named pipe under \Device\NamedPipe\OLE and attempting to open it multiple times.
https://exchange.xforce.ibmcloud.com/vulnerabilities/32771
http://www.securityfocus.com/bid/22775
http://www.securityfocus.com/archive/1/461635/100/0/threaded
http://www.matousec.com/info/advisories/Comodo-Bypassing-settings-protection-using-magic-pipe.php