Description of the security update for Word 2016: June 11, 2019

Applies to: Word 2016


This security update resolves a remote code execution vulnerability that exists in Microsoft Word software when it fails to correctly handle objects in memory. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2019-1034.

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

Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2016. It doesn't apply to the Office 2016 Click-to-Run editions, such as Microsoft Office 365 Home (see What version of Office am I using?).

Improvements and fixes

This security update contains fixes for the following nonsecurity issues:

  • After you type in a content control in a document, the ContentControlBeforeStoreUpdate event is not triggered when the document loses focus.

  • The sub-address of a hyperlink in a document is truncated if the sub-address exceeds 255 characters.

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 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: June 11, 2019.

Security update replacement information

This security update replaces previously released security update 4464536.

File hash information

File name SHA1 hash SHA256 hash
word2016-kb4464596-fullfile-x86-glb.exe 183B79304A26B4219FE42F362027112378F2DBCA B1F4852076F6AB26FE2ED91BD142877AE353A666C0674E25E8F28D53E587A7E0
word2016-kb4464596-fullfile-x64-glb.exe A35278855912A0E2FDF16AABA9CCC5C7FC2F3BE5 75CA286EB962B01E402E8A0EEB578EC82239CE0D0BA392D3AB513DACF66D5DF4

File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.

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