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 Microsoft Common Vulnerabilities and Exposures CVE-2025-54906.

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 5002469.

File hash information

File name

SHA256 hash

msodll40ui2016-kb5002576-fullfile-x86-glb.exe

AD9C276CF6D4F952CFA69CBA0EDDB7809B62B3395353D061D0405BDAD0CD4D74

msodll40ui2016-kb5002576-fullfile-x64-glb.exe

077FDD2A4D3AC4C6487B424DEF575F08A0B702EA5C1ED675764DFD323C2FA41B

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 name

File version

File size

Date

Time

Mso40uires.dll

16.0.4684.1000

32,03,824

12-Aug-25

08:40

Mso40uiwin32client.dll.x64

16.0.5517.1000

93,63,472

13-Aug-25

03:02

Mso40uiwin32client.dll.x86

16.0.5517.1000

74,36,304

13-Aug-25

02:42

File name

File version

File size

Date

Time

Mso40uires.dll

16.0.4666.1000

32,03,816

12-Aug-25

08:38

Mso40uires.dll.x86

16.0.4684.1000

32,03,824

12-Aug-25

08:43

Mso40uiwin32client.dll.x64

16.0.5517.1000

93,63,472

13-Aug-25

02:42

Mso40uiwin32client.dll.x86

16.0.5517.1000

74,36,304

13-Aug-25

02:48

Information about protection and security

Protect yourself online: Windows Security support

Learn how we guard against cyber threats: Microsoft Security

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