This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. To learn more about these vulnerabilities, see Microsoft Common Vulnerabilities and Exposures CVE-2019-0585,  Microsoft Common Vulnerabilities and Exposures CVE-2019-0557, Microsoft Common Vulnerabilities and Exposures CVE-2019-0558, and Microsoft Common Vulnerabilities and Exposures CVE-2019-0562.

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

This public update delivers Feature Pack 2 for SharePoint Server 2016, which 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 Auditing (preview)

  • Hybrid Taxonomy

  • OneDrive API for SharePoint on-premises

  • OneDrive for Business modern 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 security update contains the following improvements in SharePoint Server 2016:

  • Improves Thai word breaking for more than 10 words.

  • Improves Turkish word breaking so that words can be correctly broken in some common cases where they previously were not.

This security update contains fixes for the following nonsecurity issues in SharePoint Server 2016:

  • When you use the REpresentational State Transfer (REST) API to query a specific project's queue jobs, the queue jobs collection is not returned.

  • This update fixes the following issues that concern Quick Parts:

  • When you insert a SharePoint Library column as a Quick Part in a document that contains double-byte character sets (DBCS) characters in the file name, Word 2016 crashes.

  • If a SharePoint lookup field’s name contains a space or other special characters, the text for the field values is not displayed when you insert the information as a Quick Part in a Word document.

This security update contains fixes for the following nonsecurity issues in Project Server 2016:

  • If you update both a task's name and Actual Cost value through the Client-Side Object Model (CSOM), the task name is lost. Additionally, other fields that were set during the same update are lost.

  • You can't get all the details of a dependency link, such as the lag duration and project UID properties, through the Client-Side Object Model (CSOM).

  • Assume that you have selected PEN, AED, or other values in the Currency Settings section on the Additional Server Settings page. When you create a project from Project Web App (PWA), you experience a "ProjectOptCurrencySymbolInvalid" error, and the project is not successfully created.

How to get and install the update

Method 1: Microsoft Update

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

Method 2: Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

Method 3: Microsoft Download Center

You can get the stand-alone 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: January 8, 2019.

Security update replacement information

This security update replaces previously released update KB 4461541.

File hash information

File name

SHA1 hash

SHA256 hash




File information

Download the list of files that are included in security update KB 4461598.

How to get help and support for this security update

Help for installing updates: Protect yourself online

Help for protecting your Windows-based computer from viruses and malware: Microsoft Security

Local support according to your country: International Support

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