TrendMicro Activity Monitor Module <2.52.0.1002 - Privilege Escalation
The TrendMicro Activity Monitor Module (tmactmon.sys) 2.52.0.1002 in Trend Micro Internet Pro 2008 and 2009, and Security Pro 2008 and 2009, allows local users to gain privileges via a crafted IRP in a METHOD_NEITHER IOCTL request to \Device\tmactmon that overwrites memory.