Vulnerability was recently found in MS Office PowerPoint. This new exploit delivers a keylogger to the infected computer in order to steal personal information. http://www.eset.com/company/article.php?contentID=1548 ESET NOD32 detects malwares associated to that exploit: NOD32 - v.1.1662 (20060714) Virus signature database updates: PP97M/Exploit.PPDrop For MS Office users , a patch is available at http://office.microsoft.com
anyway there is something strange with that update. On eset.eu is dated from 15/07 and on eset.com is from 14/07. EDIT: I"ve just checked my update log and is from 15/07.
maybe... anyway the update is there, so no need to take care of the data on which it has been posted.