“A new zero-day remote code execution vulnerability has come to light, this time affecting Microsoft Office PowerPoint.
The software giant has issued a security advisory about the potential exploit, which affects older Microsoft Office versions up through Office 2003. The current flagship Office 2007 product is not vulnerable.”
For more details see article by Jabulani Lefall, “PowerPoint Security Bug Found in Office 2003” at:
http://gcn.com/articles/2009/04/06/powerpoint-flaw.aspx?s=gcndaily_070409