MS09-017: An out-of-the-ordinary PowerPoint security update

Our Security Research and Defense team blogged on the PowerPoint security update we published on Tuesday. There are a few things which were not “business as usual”:

  • The update for the Windows version of PowerPoint went out before the Mac version. The reason is that we did not want to hold the Windows-version which could protect a big majority of our customers
  • We removed support for the PowerPoint 4 converter to reduce the attack surface significantly
  • We addressed 14 (!) vulnerabilities in PowerPoint (do not tell me that we are not transparent with these things) – only one is publically attacked at the moment.

Read the details yourself: MS09-017: An out-of-the-ordinary PowerPoint security update 


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