Description of the security update for Office 2016: September 10, 2019

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


This security update resolves a security feature bypass vulnerability that exists when Microsoft Office incorrectly handles input. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2019-1264.

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?).

Improvements and fixes

This security update contains improvements and fixes for the following nonsecurity issues:
  • Improves the performance of ribbon Key Tips in Windows 10. To enable this improvement, add the DWORD registry value UseAsyncRibbonKeytips and set its value data toin the HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common location.

  • You are prompted for credentials when Office 2016 opens a web resource from the content on a SharePoint site. For example, you are prompted when you copy and paste a site name from a page to an external Excel workbook.

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 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: September 10, 2019.

Security update replacement information

This security update replaces previously released security update 4462242.

File hash information

File name SHA1 hash SHA256 hash
mso2016-kb4475583-fullfile-x86-glb.exe 16419FE174F9F4E67E4D3B120246C3012087B3F7 EBF9EED068282E8F41591B14024004C6CCEE34981CA4E3A808C4D915546BC0F5
mso2016-kb4475583-fullfile-x64-glb.exe C307CFA5E9102ED1D1A1F45851991214E3F5FB27 6F2BC22852F612505B161255404A57744CFC590D9C92731D03534A8A5601C601

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