Description of the security update for Office 2016: May 9, 2017

Applies to: Office Professional Plus 2016Office Standard 2016Office Professional 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-2017-0281.

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 the following improvements:

  • Translates some terms in multiple languages to make sure that the meaning is accurate.


This security update fixes the following nonsecurity issues:

  • There is no option to update a sender's certificate in the saved contacts.


  • When you select Open on  the File menu in Excel 2016, Excel 2016 may crash intermittently.



How to get and install the update

Method 1: Microsoft Update

Method 2: Microsoft Update Catalog

Method 3: Microsoft Download Center

More Information

Security update deployment information

For deployment information about this update, see security update deployment information: May 9, 2017.

Security update replacement information

This security update replaces the following previously released security update:

3178702 Description of the security update for Office 2016: April 11, 2017


File hash information

Package name Package hash SHA 1 Package hash SHA 2
mso2016-kb3191881-fullfile-x86-glb.exe 4B21112D6BAF88E557D8CFA3F943F3C73EC42FD3 699C247130007595830994678863901BA809123BDC20BB9162A03EA9CEA17934
mso2016-kb3191881-fullfile-x64-glb.exe B07EB4D735C6DE5BAED88B72EE128F62C7945273 5FB8DD58276CE29F0BDEDF5A05E92F6FE09F345C60E8D4CF6A7A29F4C0A71BA5

File information

How to get help and support for this security update