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-2017-8630.

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

Improvements and fixes

This security update contains improvements and fixes for the following nonsecurity issue:
  • After you export .emf files as .pdf files in Visio 2016, the line weights are displayed incorrectly.

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
oart2016-kb3203474-fullfile-x86-glb.exe 0E7DE69E6EB31F57D32DE1740ACD1379643E60B3 2E46F10D02330F5BB7D212E6C3F23E26D382A438F0B48705ADCE60EF96DD7E47
oart2016-kb3203474-fullfile-x64-glb.exe 4B1D8E7F5848594D5E6DAF30C3C09DD6685294B1 2AAE5B01F75C0834B4A258A5EFC09B369CFBFEACD8A677797F382819602EFF7F

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