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Summary

This security update resolves a Microsoft Rich Text edit control information disclosure vulnerability. To learn more about the vulnerability, see the Microsoft Common Vulnerabilities and Exposures CVE-2021-40454.

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: October 12, 2021 (KB5006940).

Security update replacement information

This security update replaces no previously released security update.

File hash information

File name

SHA256 hash

riched202013-kb4018332-fullfile-x86-glb.exe

98AB533EE280B5E1765890E918034DD3D465511D807C3E430296A1360A48C915

riched202013-kb4018332-fullfile-x64-glb.exe

97CFFEA9A7B01A674EA2FCEC7CDC5AE12A33563D4BD4480B48BD07EC37741B77

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.

File identifier

File name

File version

File size

Date

Time

riched20.dll_0001

riched20.dll

15.0.5389.1000

1627544

15-Sep-21

12:18

File identifier

File name

File version

File size

Date

Time

conversion.office.riched20.dll

riched20.dll

15.0.5389.1000

2238368

15-Sep-21

12:18

ppt.conversion.riched20.dll

riched20.dll

15.0.5389.1000

2238368

15-Sep-21

12:18

ppt.edit.riched20.dll

riched20.dll

15.0.5389.1000

2238368

15-Sep-21

12:18

riched20.dll

riched20.dll

15.0.5389.1000

2238368

15-Sep-21

12:18

riched20.dll_0001

riched20.dll

15.0.5389.1000

2238368

15-Sep-21

12:18

wac.office.riched20.dll

riched20.dll

15.0.5389.1000

2238368

15-Sep-21

12:18

xlsrv.ecs.riched20.dll

riched20.dll

15.0.5389.1000

2238368

15-Sep-21

12:18

Information about protection and security

Protect yourself online: Windows Security support

Learn how we guard against cyber threats: Microsoft Security

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