Description of the security update for Office 2016: April 14, 2020

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


This security update resolves a remote code execution vulnerability that exists in Microsoft Excel software if the software does not correctly handle objects in memory. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2020-0906.

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?).

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: April 14, 2020.

Security update replacement information

This security update replaces previously released security update 4484221.

File hash information

File name SHA1 hash SHA256 hash
graph2016-kb4484258-fullfile-x86-glb.exe 0FBD77B46DA09597A4C148DF06A61A141DF1BD41 BDDB32F3383D61D88B94D2E5CED082DFCBBDB5866ED2736BCAED49778191C1FD
graph2016-kb4484258-fullfile-x64-glb.exe CD632431A24FF22BAA390DD2295AFFF4F36514DA 97BB77F0BA2E023B33A9D715B3F48C58171FE3F000A2FD82D0B54C34629B4319

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