Description of the security update for Office 2013: May 11, 2021 (KB4464542)

Summary

This security update resolves a Microsoft Office Graphics remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2021-31180.

**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.

• Download security update 4464542 for the 32-bit version of Office 2013
• Download security update 4464542 for the 64-bit version of Office 2013

More information

Security update deployment information

For deployment information about this update, see Security update deployment information: May 11, 2021.

Security update replacement information

This security update replaces previously released security update 4018387.

File hash information

File name		SHA256 hash
oart2013-kb4464542-fullfile-x86-glb.exe		63D849061B02B1F0B5AFFE2793C43144D0C53F3848701D66F5443364F09AEF95
oart2013-kb4464542-fullfile-x64-glb.exe		8EB7F76043185A547B683FB26A2A68B8B1EE72D91C79B9C249C5E58FA179EA37

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.

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For all supported x86-based versions of Office 2013

File identifier	File name	File version	File size	Date	Time
igx.dll	igx.dll	15.0.5345.1000	8984464	15-Apr-21	08:18
oart.dll	oart.dll	15.0.5345.1000	14450584	15-Apr-21	08:18
oartodf.dll	oartodf.dll	15.0.5345.1000	2132376	15-Apr-21	08:18

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For all supported x64-based versions of Office 2013

File identifier	File name	File version	File size	Date	Time
igx.dll	igx.dll	15.0.5345.1000	10364320	15-Apr-21	08:18
xlsrv.ecs.igx.dll	igx.dll	15.0.5345.1000	10364320	15-Apr-21	08:18
oart.dll	oart.dll	15.0.5345.1000	21241248	15-Apr-21	08:18
xlsrv.ecs.oart.dll	oart.dll	15.0.5345.1000	21241248	15-Apr-21	08:18
oartodf.dll	oartodf.dll	15.0.5345.1000	3776920	15-Apr-21	08:18
xlsrv.ecs.oartodf.dll	oartodf.dll	15.0.5345.1000	3776920	15-Apr-21	08:18

Information about protection and security

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