I feel a movie script coming on ^.^
Virus writers have seized upon an unpatched PowerPoint vulnerability to launch targeted attacks. The assault relies on tricking users into opening an infected PowerPoint document.
[Wolfy's tip] It is the STD's of the email world, practice safe mailing and you will not have a problem, why jump into the lap of strangers by opening their zipper? (This is going to be a adult rated movie it seems)
 Microsoft to plug PowerPoint hole