SharePoint security fixes released with April 2017 PU and offered through Microsoft Update

SharePoint 2007 Suite:

  • none

SharePoint 2010 Suite:

  • Excel Services for SharePoint 2010
  • Office Web Apps 2010

SharePoint 2013 Suite:

  • Excel Services for SharePoint 2013
  • Office Web Apps 2013

SharePoint 2016 Suite:

  • Office Online Server 2016

See the Security Update Guide below for more details and KB number for the relevant fixes:


  1. Hi Stefan,
    This time I see some changes in the format of security release bulletin. Little confusing. And in your blog you have mention 2 updates for SharePoint 2010 suite, whereas on the bulletin page I see 3 updates.
    On the below link I see 3 updates for 2010
    The link to download is below & it is 3 different download.
    Can you please confirm if there are 2 updates or 3 updates.


    1. Hi Patrick,
      there are three fixes, one for Excel Services and two for Office Web Apps.
      In my article I just listed the affected product components, not how many fixes for each of the product components need to be installed.


      1. Thanks Stefan for the reply. Just one more thing if I install Office Web apps do I need to install the Excel services update as well? In my test env. where I have OWA the Excel services update installation says “There are no products affected by this package installed on this system” but the OW update gets installed perfectly fine.


        1. Hi Patrick,
          depends on the SharePoint version.
          If you mean 2013 then yes as Office Web Apps and Excel Services are running on different machines.


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