Description of the security update for Office 2016: June 9, 2020

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


This update resolves a security feature bypass vulnerability that exists if Microsoft Outlook or another relevant product does not enforce security settings that are configured on a system. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2020-1229.

Note To apply this 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 update contains the following fix:

  • Fixes an issue in Office Visual Basic Application projects that's related to the references searching.

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: June 9, 2020.

Security update replacement information

This security update replaces previously released security update 4484214.

File hash information

File name SHA1 hash SHA256 hash
mso2016-kb4484342-fullfile-x86-glb.exe 0F836C98C3334DAE154027E9B2A77CCFBBFC6A2C B1D356C40EE821B2F443DA8CF2E9D21211DFD573B8F6A0446D6A5E8164D7363C
mso2016-kb4484342-fullfile-x64-glb.exe 9EF493D43656F07AAACD7B8C51C494C0E44ED5F7 25CDD06A6895EE8374C2814DA8B1C7B78A54AA0D33614948EE452FAE7758219E

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.

Information about protection and security

Protect yourself online: Windows Security support

Learn how we guard against cyber threats: Microsoft Security