SharePoint security fixes released with October 2021 PU and offered through Microsoft Update

Below are the security fixes for the SharePoint OnPrem versions released this month.

Important:
SharePoint Foundation security fixes also have to be applied on SharePoint Server installations.
SharePoint Server security fixes also have to be applied on Project Server installations.

SharePoint 2013 Suite:

  • KB 5002042 – SharePoint Foundation 2013
  • KB 5001924 – Word Automation Services for SharePoint 2013
  • KB 4493202 – Excel Services for SharePoint 2013
  • KB 5002036 – Office Web Apps Server 2013
  • Microsoft Support recommends to install the complete October 2021 CU for SharePoint 2013 rather than individual security fixes

SharePoint 2016 Suite:

  • KB 5002029 – SharePoint Server 2016 (language independent)
  • KB 5002006 – SharePoint Server 2016 (language independent)
  • Microsoft Support recommends to install the complete October 2021 CU for SharePoint 2016 rather than individual security fixes

SharePoint 2019 Suite:

Office Online Server:

  • KB 5002027 – Office Online Server
See the Security Update Guide below for more details about the relevant fixes:

More information:

Please ensure to have a look at the SharePoint Patching Best Practices before applying new fixes.
 

2 Comments


  1. Hello Stefan,

    After installing only the security updates on SharePoint 2013/2016 do we need to run the configuration wizard?

    Thanks!

    Regards,
    Rui.

    Reply

    1. Yes of course.
      All SharePoint fixes require the config wizard.

      Cheers,
      Stefan

      Reply

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