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