filtnt.sys in Outpost Firewall Pro before 3.51.759.6511 (462) allows local users to cause a denial of service (crash) via long arguments to mshta.exe.
https://exchange.xforce.ibmcloud.com/vulnerabilities/27840
http://www.vupen.com/english/advisories/2006/2853
http://www.securityfocus.com/bid/19026
http://www.securityfocus.com/archive/1/440427