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.
AV:L/AC:L/Au:N/C:C/I:C/A:C
This vulnerability has a 0.80% probability of being exploited in the next 30 days, ranking higher than 55% of all scored CVEs.