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

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


This security update resolves an information disclosure vulnerability that exists if Microsoft Excel incorrectly discloses the contents of its memory. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2019-1464.

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.

Download icon
Download security update 4484182 for the 32-bit version of Office 2016

Download icon
Download security update 4484182 for the 64-bit version of Office 2016

More information

Security update deployment information

For deployment information about this update, see security update deployment information: December 10, 2019.

Security update replacement information

This security update replaces previously released security update 4484148.

File hash information

File name SHA1 hash SHA256 hash
graph2016-kb4484182-fullfile-x86-glb.exe 1B44F0872D2540A97813730A56F8E17CA9A64D12 78C2C25D96F61B6F42682F596C0570F4FA6D92691AD4BFD81FB07FBD38BA5F1A
graph2016-kb4484182-fullfile-x64-glb.exe 2CF489DBA9DBFF1419BF81425E55FEF826F74073 3604C42C5EAB87C1D35408AD1FA4E60264FE39DD3447567842AB30EA806C4354

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