Description of the security update for Office 2016: October 13, 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 if the software does not correctly handle objects in memory.  To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2020-16930.

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: October 13, 2020.

Security update replacement information

This security update replaces previously released security update 3128012.

File hash information

File name SHA1 hash SHA256 hash
vbe72016-kb4484417-fullfile-x64-glb.exe 9F44199F4C6A2CAEF016CF0E76BAE2C56516BCBD 9A2B297E85E8D8933B9017C379BF1445CE791B1C073BA01BA414C8E0BDD5F0D0
vbe72016-kb4484417-fullfile-x86-glb.exe 2902FB93AA8E213FD97728BF57D8564711AF99A5 2C6881BCC281EE91E904CB80DB0D3F77CF43A5A51F3AD245C6ADBA8108E4FFF3

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