The default installation of Trend Micro OfficeScan 3.0 through 3.54 and 5.x allows remote attackers to bypass authentication from cgiChkMasterPasswd.exe and gain access to the web management console via a direct request to cgiMasterPwd.exe.

Heap-based buffer overflow in Trend Micro AntiVirus Library VSAPI before 7.510, as used in multiple Trend Micro products, allows remote attackers to execute arbitrary code via a crafted ARJ file with long header file names that modify pointers within a structure.

Trend OfficeScan Corporate Edition 5.58 and possibly earler does not drop privileges when opening a help window from a virus detection pop-up window, which allows local users to gain SYSTEM privileges.