Description of the security update for Office 2016: July 11, 2023 (KB5002058)

Summary

This security update resolves a Microsoft ActiveX remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2023-33152.

**Note:**To apply this security update, you must have the release version of Microsoft 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 security update 5002058 for the 32-bit version of Office 2016
• Download security update 5002058 for the 64-bit version of Office 2016

More information

Security update deployment information

For deployment information about this update, see Deployments - Security Update Guide.

Security update replacement information

This security update replaces previously released security update 4461476.

File hash information

File name		SHA256 hash
riched202016-kb5002058-fullfile-x86-glb.exe		0912B0CDF2849E2D1EBCC4958D5306984BB4495571249A70F77022518253CB84
riched202016-kb5002058-fullfile-x64-glb.exe		EB64E58A2A12C2A33C78646F76BB74E2D04EBB34E3A3BBE65DCF9C43A75BC8EA

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 2016

File identifier	File name	File version	File size	Date	Time
richtx32.ocx	msrtedit.dll	16.0.5404.1000	134424	15-Jun-23	09:48
riched20.dll_0001	riched20.dll	16.0.5227.1000	1719136	14-Jun-23	03:32

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For all supported x64-based versions of Office 2016

File identifier	File name	File version	File size	Date	Time
richtx32.ocx	msrtedit.dll	16.0.5404.1000	171808	15-Jun-23	09:48
conversion.office.riched20.dll	riched20.dll	16.0.5227.1000	2243936	14-Jun-23	03:27
ppt.conversion.riched20.dll	riched20.dll	16.0.5227.1000	2243936
ppt.edit.riched20.dll	riched20.dll	16.0.5227.1000	2243936
riched20.dll_0001	riched20.dll	16.0.5227.1000	2243936	14-Jun-23	03:27
wac.office.riched20.dll	riched20.dll	16.0.5227.1000	2243936
xlsrv.ecs.riched20.dll	riched20.dll	16.0.5227.1000	2243936

Information about protection and security

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