Description of the security update for Office 2016: July 11, 2023 (KB4493154)

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-2023-33149.

**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 4493154 for the 32-bit version of Office 2016
• Download security update 4493154 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 4011628.

File hash information

File name		SHA256 hash
oart2016-kb4493154-fullfile-x86-glb.exe		ACCF4C25C94745AC4FE301AD286A2D18F6FB9400938BFD97D8F4EC2103D36D14
oart2016-kb4493154-fullfile-x64-glb.exe		0C7D237746193FBEA256010E7594B261A5590F6A980FC520FB852DCD2FE2A7B8

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
igx.dll	igx.dll	16.0.5404.1000	9754416	15-Jun-23	09:48
oart.dll	oart.dll	16.0.5404.1000	12552552	15-Jun-23	09:48
oartodf.dll	oartodf.dll	16.0.5404.1000	1838432	15-Jun-23	09:48

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For all supported x64-based versions of Office 2016

File identifier	File name	File version	File size	Date	Time
igx.dll	igx.dll	16.0.5404.1000	11261776	15-Jun-23	09:48
xlsrv.ecs.igx.dll	igx.dll	16.0.5404.1000	11261776
oart.dll	oart.dll	16.0.5404.1000	18296648	15-Jun-23	09:48
xlsrv.ecs.oart.dll	oart.dll	16.0.5404.1000	18296648
oartodf.dll	oartodf.dll	16.0.5393.1000	3315120	14-Jun-23	03:28
xlsrv.ecs.oartodf.dll	oartodf.dll	16.0.5393.1000	3315120

Information about protection and security

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