TmComm.sys 1.5.0.1052 in the Trend Micro Anti-Rootkit Common Module (RCM), with the VsapiNI.sys 3.320.0.1003 scan engine, as used in Trend Micro PC-cillin Internet Security 2007, Antivirus 2007, Anti-Spyware for SMB 3.2 SP1, Anti-Spyware for Consumer 3.5, Anti-Spyware for Enterprise 3.0 SP2, Client / Server / Messaging Security for SMB 3.5, Damage Cleanup Services 3.2, and possibly other products, assigns Everyone write permission for the \\.\TmComm DOS device interface, which allows local users to access privileged IOCTLs and execute arbitrary code or overwrite arbitrary memory in the kernel context.
https://exchange.xforce.ibmcloud.com/vulnerabilities/32353
http://www.vupen.com/english/advisories/2007/0521
http://www.securityfocus.com/bid/22448
http://www.kb.cert.org/vuls/id/666800
http://www.kb.cert.org/vuls/id/282240
http://securitytracker.com/id?1017606
http://securitytracker.com/id?1017605
http://securitytracker.com/id?1017604
http://secunia.com/advisories/24069
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=469
http://esupport.trendmicro.com/support/viewxml.do?ContentID=EN-1034432&id=EN-1034432