Description of the security update for Office 2016: September 08, 2026 (KB5002898)

Applies To
Office Standard 2016 Office Professional 2016 Office Professional Plus 2016 Office Home and Business 2016 Office Home and Student 2016

Summary

This security update resolves a Microsoft Office remote code execution vulnerability. To learn more about the vulnerability, see the following security advisories:

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.

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 5002748.

File hash information

File name SHA256 hash
oart2016-kb5002898-fullfile-x86-glb.exe F2105C88C212C9DDFD6D1A22EF0C9E7C9CA5BC1082770AF58FF4BEB6C3DE1BB1
oart2016-kb5002898-fullfile-x64-glb.exe C53B7780867DC18FC3F34FF42C5E75EA869CD97FD1F26D72B8B0CB0AD26B4023

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.

For all supported x86-based versions of Office 2016

File name File version File size Date Time
Igx.dll 16.0.5567.1000 97,55,336 08-Sep-2026 05:54
Oart.dll 16.0.5569.1000 1,25,54,472 08-Sep-2026 05:54
Oartodf.dll 16.0.5567.1000 18,39,352 08-Sep-2026 05:54
Orgchart.exe 16.0.5569.1002 5,85,160 08-Sep-2026 15:02

For all supported x64-based versions of Office 2016

File name File version File size Date Time
Igx.dll 16.0.5567.1000 1,12,62,664 08-Sep-2026 05:52
Oart.dll 16.0.5569.1000 1,82,97,656 08-Sep-2026 05:52
Oartodf.dll 16.0.5567.1000 33,15,960 08-Sep-2026 05:52
Orgchart.exe 16.0.5569.1000 6,91,144 08-Sep-2026 15:02

Information about protection and security

Protect yourself online: Windows Security support

Learn how we guard against cyber threats: Microsoft Security