Description of the security update for SharePoint Enterprise Server 2016: May 11, 2021 (KB5001917)

Summary

This security update resolves a Microsoft Word remote code execution vulnerability and SharePoint Denial of Service Update. To learn more about the vulnerabilities, see the following security advisories:

Note: To apply this security update, you must have the release version of Microsoft SharePoint Enterprise Server 2016 installed on the computer.

This public update delivers Feature Pack 2 for SharePoint Server 2016. Feature Pack 2 contains the following feature:

  • SharePoint Framework (SPFx)

This public update also delivers all the features that were included in Feature Pack 1 for SharePoint Server 2016, including:

  • Administrative Actions Logging

  • MinRole enhancements

  • SharePoint Custom Tiles

  • Hybrid Taxonomy

  • OneDrive API for SharePoint on-premises

  • OneDrive for Business modern user experience (available to Software Assurance customers)

The OneDrive for Business modern user experience requires an active Software Assurance contract at the time that the experience is enabled, either by installation of the public update or by manual enablement. If you don't have an active Software Assurance contract at the time of enablement, you must turn off the OneDrive for Business modern user experience.

For more information, see the following Microsoft Docs articles:

Improvements and fixes

This update contains a fix for the following nonsecurity issue in SharePoint Server 2016:

  • Fixes an issue in which SharePoint Designer doesn't work well on the site that disables the Wiki Home Page feature.

This update also contains a fix for the following nonsecurity issue in Project Server 2016:

  • The Export to Excel function doesn't work for the Capacity and Engagements Heatmap view on the Capacity Planning page.

How to get and install the update

Method 1: Microsoft Update

This update is available from Microsoft Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to get security updates automatically, see Windows Update: FAQ.

Method 2: Microsoft Update Catalog

To get the standalone package for this update, go to the Microsoft Update Catalog website.

Method 3: Microsoft Download Center

You can get the standalone update package through the Microsoft Download Center. Follow the installation instructions on the download page to install the update.

More information

Security update deployment information

For deployment information about this update, see Security update deployment information: May 11, 2021.

Security update replacement information

This security update replaces previously released security update 4504719.

File hash information

File name

SHA256 hash

sts2016-kb5001917-fullfile-x64-glb.exe

0E3C0BC8BC8614C86DAB613B6FF4BCD415F6D5195750CFE2BED27239C1CD2FD7

File information

Download the list of files that are included in security update 5001917.

Information about protection and security

Protect yourself online: Windows Security support

Learn how we guard against cyber threats: Microsoft Security

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