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-2025-26642.

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. To install the update, follow the installation instructions on the download page.

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 5002115.

File hash information

File name

SHA256 hash

ace2016-kb5002588-fullfile-x86-glb.exe

87820618BA3A3D9C59E73795D8ECB07F5DC233D98F3F5F575ABECA7F5D8B323E

ace2016-kb5002588-fullfile-x64-glb.exe

D5C5DE2A82683365B74E84164C398CF331E09E6B03F88EE38AF7F9C5CE522D82

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

Acacedao.dll

16.0.5320.1000

452,640

11-Mar-2025

04:39

Acecore.dll

16.0.5362.1000

1,705,384

11-Mar-2025

04:39

Acedao.dll

16.0.5320.1000

452,640

11-Mar-2025

04:39

Aceerr.dll

16.0.5338.1000

56,816

11-Mar-2025

04:39

Acees.dll

16.0.5495.1000

680,248

11-Mar-2025

22:00

Aceexch.dll

16.0.5338.1000

209,928

11-Mar-2025

04:39

Aceexcl.dll

16.0.5404.1000

418,216

11-Mar-2025

04:39

Aceodbc.dll

16.0.5378.1000

307,216

11-Mar-2025

04:39

Aceoddbs.dll

16.0.4684.1000

26,472

11-Mar-2025

04:39

Aceoledb.dll

16.0.5320.1000

339,976

11-Mar-2025

04:39

Acetxt.dll

16.0.5443.1000

181,496

11-Mar-2025

04:39

Acexbe.dll

16.0.5338.1000

235,976

11-Mar-2025

04:39

Expsrv.dll

7.1.0.1127

334,736

10-Mar-2025

23:35

Vbajet32.dll

7.0.1.1127

18,832

10-Mar-2025

23:35

File name

File version

File size

Date

Time

Acacedao.dll

16.0.5320.1000

611,896

11-Mar-2025

04:41

Acecore.dll

16.0.5413.1000

2,298,552

11-Mar-2025

04:41

Acedao.dll

16.0.5320.1000

611,896

11-Mar-2025

04:41

Aceerr.dll

16.0.5338.1000

62,920

11-Mar-2025

04:41

Acees.dll

16.0.5495.1000

911,672

11-Mar-2025

22:02

Aceexch.dll

16.0.5338.1000

268,256

11-Mar-2025

04:41

Aceexcl.dll

16.0.5404.1000

550,824

11-Mar-2025

04:41

Aceodbc.dll

16.0.5378.1000

360,536

11-Mar-2025

04:41

Aceoddbs.dll

16.0.4513.1000

28,536

11-Mar-2025

04:41

Aceoledb.dll

16.0.5320.1000

444,432

11-Mar-2025

04:41

Acetxt.dll

16.0.5443.1000

222,832

11-Mar-2025

04:41

Acexbe.dll

16.0.5338.1000

291,280

11-Mar-2025

04:41

Expsrv.dll

7.1.0.1127

505,744

10-Mar-2025

23:35

Vbajet32.dll

7.0.1.1127

21,928

10-Mar-2025

23:35

Information about protection and security

Protect yourself online: Windows Security support

Learn how we guard against cyber threats: Microsoft Security

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