One bug being patched is found in Microsoft's PowerPoint presentation software and an exploit code is known to be circulating online.

BBC: Windows XP on laptop, Getty

And you could make a case that Microsoft Office's PowerPoint presentation software has too much power--power that is abused by artless employees who use it to craft bloated, incomprehensible presentations.

FORBES: Software

We test Apple's new presentation software versus Microsoft's ubiquitous PowerPoint head-to-head.

FORBES: Apple Freshens Up