Description of the security update for Office 2016: April 9, 2019

Applies to: Office Professional Plus 2016Office Professional 2016Office Standard 2016


This security update resolves a remote code execution vulnerability that exists when the Microsoft Office Access Connectivity Engine incorrectly handles objects in memory. To learn more about the vulnerability, see the following: 

Note To apply this security update, you must have the release version of Office 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?).

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: April 9, 2019.

Security update replacement information

This security update replaces previously released security update 4018294.

File hash information

File name SHA1 hash SHA256 hash
ace2016-kb4462213-fullfile-x86-glb.exe 64ECF8729BB857EE3C8301ED976CEB18303E8A2E AA573881B2DA5B7D33A5834CD60D465F8DC73DF1E21455AA0E766F63150542D5
ace2016-kb4462213-fullfile-x64-glb.exe 8DDA5649504653325378478FA471AFDE451DF44B C6BA110A07FF2A61C6B1BD96B184D6185A6ECE23C9EBC9742697798F50E11114

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