Patch Tuesday Analysis for May 2009

MS09-17 patches something like 14 vulnerabilities in most versions of PowerPoint. Ongoing attacks already exploit at least one vulnerability and more exploit code is on the radar. I disagree with Microsoft's rating of Important for some versions of PowerPoint. Their justification is apparently that the user is required to Open, Save, or Cancel before opening a the malformed document. Well, experience has shown that a user cannot be relied upon to make the wise decision when presented with these options. Therefore apply this patch after minimal testing.

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