Description:
A vulnerability has been reported in Microsoft PowerPoint, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to an unspecified error that may result in access to an invalid object in memory when parsing a specially crafted PowerPoint file.
Successful exploitation allows execution of arbitrary code.
NOTE: According to Microsoft, the vulnerability is currently being actively exploited.
http://secunia.com/advisories/34572/