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 fixes for the following nonsecurity issues in SharePoint Server 2016:

  • Fixes an issue on the PDF document parser where incorrect results are returned when you search PDF files by using keywords.

  • Fixes an issue where items are duplicated in Quick Edit mode when you copy more than 100 items from Excel into a list.

  • Fixes an issue where SharePoint Server fails to save all checked containers in Active Directory Import.

  • Fixes the incompatible issue that's caused by the deprecation of the showModalDialog API in modern browsers.

  • Fixes an issue where PowerBI will fail with a HTTP 403 error if users use the "SharePoint Folder" connector with SharePoint web applications that are secured by a trusted identity provider.

  • Fixes an issue where the SharePoint Products Configuration Wizard fails to complete when the SQL Server collation is Turkish_CI_AS. Additionally, the PSCDiagnostics log shows an error message that resembles the following:

    ERR Failed to upgrade SharePoint Products.
    An exception of type System.Data.SqlClient.SqlException was thrown.
    Additional exception information: Must declare the scalar variable "@newViewUID".
    System.Data.SqlClient.SqlException (0x80131904): Must declare the scalar variable "@newViewUID".


    This issue occurs after you install KB 4486753 and KB 4486721.

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

  • The Approval Center fails to load if there are status updates submitted for summary tasks.

    This issue occurs after you install KB 4493163.

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: April 13, 2021.

Security update replacement information

This security update replaces previously released security update 4493232.

File hash information

File name

SHA1 hash

SHA256 hash

sts2016-kb4504719-fullfile-x64-glb.exe

F6BFE7887782EB525E7C3F1E0071EFA399405FAE

AD5315A89F185E6F461FEEB9549D777B8FD39700F1A43DF0CF314B3CD252D54C

File information

Download the list of files that are included in security update 4504719.

Information about protection and security

Protect yourself online: Windows Security support

Learn how we guard against cyber threats: Microsoft Security

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