Description of the security update for Office 2016: September 12, 2017

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


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-2017-8744.

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

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 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: September 12, 2017.

Security update replacement information

This security update doesn't replace any previously released update.

File hash information

Package Name Package Hash SHA 1 Package Hash SHA 2
conv2016-kb3213551-fullfile-x64-glb.exe 8F43F86C81D8F25C794B6D388C6EB1EFC658FDED A0C3FFDDB5B70323254C60E69C26DC63CD3EA292FB8F2F3E04D6D25D00035E7F
conv2016-kb3213551-fullfile-x86-glb.exe 078F1E9FAD85784840E17AE1DF7C576881B7F0F1 BC2D18A9B40F20C20267A49E57A949DC8490F8D04C9A8225B7AE6C2D7D87C66F

File information

How to get help and support for this security update

Help for installing updates: Windows Update FAQ

Security solutions for IT professionals: Security Support and Troubleshooting

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

Local support according to your country: International Support

Propose a feature or provide feedback on Office: Office User Voice portal