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-2022-21840.

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?)

Improvements and fixes

Fixes an issue in which Microsoft Access databases that are stored on a network share can't be accessed by multiple users simultaneously after you install KB 5002099.

Note: This update fixes the issue for standard UNC network paths and long file names. If the network paths include DFS namespaces, short file names, or mapped drives, we recommend that you install KB 5002138.

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 Security update deployment information: January 11, 2022 (KB5010029).

Security update replacement information

This security update replaces previously released security update 5002099.

File hash information

File name

SHA256 hash

ace2016-kb5002115-fullfile-x86-glb.exe

BC320E3E573FBDA36B2761D156E8688A856457048520993DD2CB064BDF1B2D2E

ace2016-kb5002115-fullfile-x64-glb.exe

2AFA7A871D11377E3E41B0290A334BD19F93FEC6D31CAF8A3B5323457AFF12AB

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 identifier

File name

File version

File size

Date

Time

acecore.dll

acecore.dll

16.0.5266.1001

1701744

23-Dec-21

11:53

acacedao.dll

acedao.dll

16.0.5149.1000

448992

22-Dec-21

09:17

acedao.dll

acedao.dll

16.0.5149.1000

448992

22-Dec-21

09:17

aceerr.dll

aceerr.dll

16.0.5095.1000

50088

22-Dec-21

09:17

acees.dll

acees.dll

16.0.5266.1000

677360

22-Dec-21

09:17

aceexch.dll

aceexch.dll

16.0.5095.1000

203200

22-Dec-21

09:17

aceexcl.dll

aceexcl.dll

16.0.5149.1000

409000

22-Dec-21

09:17

aceodbc.dll

aceodbc.dll

16.0.5095.1000

300008

22-Dec-21

09:17

aceoddbs.dll

aceoddbs.dll

16.0.4684.1000

26472

22-Dec-21

09:17

aceoledb.dll

aceoledb.dll

16.0.5164.1000

340400

22-Dec-21

09:17

acetxt.dll

acetxt.dll

16.0.5188.1000

174984

22-Dec-21

09:17

acexbe.dll

acexbe.dll

16.0.5215.1000

230328

22-Dec-21

09:17

expsrv.dll

expsrv.dll

7.1.1116

333704

22-Dec-21

01:26

vbajet32.dll

vbajet32.dll

7.1.1116

17800

22-Dec-21

01:26

File identifier

File name

File version

File size

Date

Time

acecore.dll

acecore.dll

16.0.5266.1001

2296784

23-Dec-21

11:52

acacedao.dll

acedao.dll

16.0.5095.1000

606192

22-Dec-21

09:20

acedao.dll

acedao.dll

16.0.5095.1000

606192

22-Dec-21

09:20

acees.dll

acees.dll

16.0.5266.1000

908320

22-Dec-21

09:20

aceexch.dll

aceexch.dll

16.0.4759.1000

259480

22-Dec-21

09:20

aceexcl.dll

aceexcl.dll

16.0.5095.1000

545696

22-Dec-21

09:20

aceodbc.dll

aceodbc.dll

16.0.4999.1000

352624

22-Dec-21

09:20

aceoddbs.dll

aceoddbs.dll

16.0.4513.1000

28536

22-Dec-21

09:20

aceoledb.dll

aceoledb.dll

16.0.5164.1000

441312

22-Dec-21

09:20

acetxt.dll

acetxt.dll

16.0.5188.1000

213920

22-Dec-21

09:20

acexbe.dll

acexbe.dll

16.0.5215.1000

283560

22-Dec-21

09:20

expsrv.dll

expsrv.dll

7.1.1116

504712

22-Dec-21

01:17

vbajet32.dll

vbajet32.dll

7.1.1116

20872

22-Dec-21

01:17

Information about protection and security

Protect yourself online: Windows Security support

Learn how we guard against cyber threats: Microsoft Security

Change history

 The following table summarizes some of the most important changes to this topic.

Date

Description

February 8, 2022

Added a note to the "Improvements and fixes" section to provide a fix for all other network paths, such as DFS namespaces, short file names, and mapped drives.

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