Description of the security update for Office 2013: June 9, 2020

Applies to: Microsoft Office 2013 Service Pack 1


This update resolves a security feature bypass vulnerability that exists when Outlook or relevant product fails to enforce security settings 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 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?).

Improvements and fixes

This update contains the following fixes:
  • Fixes an issue in Office Visual Basic Application projects that's related to the references searching.
  • Fixes an issue that typing speed is very slow when you type Korean characters in a table in a PowerPoint presentation.

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 stand-alone package for this update, go to the Microsoft Update Catalog website.

Method 3: Microsoft Download Center

You can get the stand-alone 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 4484117.

File hash information

File name SHA1 hash SHA256 hash
mso2013-kb4484351-fullfile-x86-glb.exe 2F004D9ACD11A764146EA13CAF8071AC0A8FF542 B5EB1B138FBF3F33A759C2693835D177C44EB8B241A0DB0650973AF51E03433A
mso2013-kb4484351-fullfile-x64-glb.exe 69C352DAD9B82512870B153BA7D5AE5B7A22116D 314DD33396434E04A7D4C570E6EC87F411F8CECED4FF179AF93FEF0C3D1E2CAA

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