Description of the security update for Excel 2013: January 14, 2020

Applies to: Microsoft Office 2013 Service Pack 1Excel 2013


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-2020-0650 and Microsoft Common Vulnerabilities and Exposures CVE-2020-0651.

Note To apply this security update, you must have the release version of Service Pack 1 for Microsoft Office 2013 installed on the computer.

Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2013. It doesn't apply to the Office 2013 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: January 14, 2020.

Security update replacement information

This security update replaces previously released update 4484190.

File hash information

File name SHA1 hash SHA256 hash
excel2013-kb4484234-fullfile-x86-glb.exe 1D45F45B8641B0B699879789598F5020B7786E99 5AE3878D1AFB6835DE6EF3735DB0EFE4C5FD2AFD9C31F82A1E60EA08AEC901D9
excel2013-kb4484234-fullfile-x64-glb.exe 59A5C5D9656D69710DC5F91B45C708233D8707E2 CCEC47A22ABAE0F9B9FA47013558D2371F68031AA70695347CBF8835D694587D

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