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Summary

This security update resolves a Microsoft Jet Red database engine and access connectivity engine elevation of privilege vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2021-42293.

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?)

Known issues in this update

  • After this update is installed, Microsoft Access databases that are stored on a network share can't be accessed by multiple users simultaneously. To resolve this issue, see the following Knowledge Base article:

    4484211 Database on network share can't be accessed by multiple users in Office 2016

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: December 14, 2021 (KB5008541).

Security update replacement information

This security update replaces previously released security update 5002032.

File hash information

File name

SHA256 hash

ace2016-kb5002099-fullfile-x86-glb.exe

3B1EBB1A99EAD0386961DA0C1160BE963E75847975701DA9F743E40F78572BC4

ace2016-kb5002099-fullfile-x64-glb.exe

52C77554828A77420CEF18637AFECC81431D58A870230EBF3972FD0E8F3DC0D2

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

16.0.5251.1000

1701256

23-Nov-21

01:46

acacedao.dll

acedao.dll

16.0.5149.1000

448992

23-Nov-21

01:46

acedao.dll

acedao.dll

16.0.5149.1000

448992

23-Nov-21

01:46

aceerr.dll

aceerr.dll

16.0.5095.1000

50088

23-Nov-21

01:46

acees.dll

acees.dll

16.0.5149.1000

646608

23-Nov-21

01:46

aceexch.dll

aceexch.dll

16.0.5095.1000

203200

23-Nov-21

01:46

aceexcl.dll

aceexcl.dll

16.0.5149.1000

409000

23-Nov-21

01:46

aceodbc.dll

aceodbc.dll

16.0.5095.1000

300008

23-Nov-21

01:46

aceoddbs.dll

aceoddbs.dll

16.0.4684.1000

26472

23-Nov-21

01:46

aceoledb.dll

aceoledb.dll

16.0.5164.1000

340400

23-Nov-21

01:46

acetxt.dll

acetxt.dll

16.0.5188.1000

174984

23-Nov-21

01:46

acexbe.dll

acexbe.dll

16.0.5215.1000

230328

23-Nov-21

01:46

expsrv.dll

expsrv.dll

7.1.1116

333704

19-Nov-21

02:15

vbajet32.dll

vbajet32.dll

7.1.1116

17800

19-Nov-21

02:15

File identifier

File name

File version

File size

Date

Time

acecore.dll

acecore.dll

16.0.5251.1000

2293128

23-Nov-21

01:54

acacedao.dll

acedao.dll

16.0.5095.1000

606192

23-Nov-21

01:54

acedao.dll

acedao.dll

16.0.5095.1000

606192

23-Nov-21

01:54

acees.dll

acees.dll

16.0.5095.1000

906192

23-Nov-21

01:54

aceexch.dll

aceexch.dll

16.0.4759.1000

259480

23-Nov-21

01:54

aceexcl.dll

aceexcl.dll

16.0.5095.1000

545696

23-Nov-21

01:54

aceodbc.dll

aceodbc.dll

16.0.4999.1000

352624

23-Nov-21

01:54

aceoddbs.dll

aceoddbs.dll

16.0.4513.1000

28536

23-Nov-21

01:54

aceoledb.dll

aceoledb.dll

16.0.5164.1000

441312

23-Nov-21

01:54

acetxt.dll

acetxt.dll

16.0.5188.1000

213920

23-Nov-21

01:54

acexbe.dll

acexbe.dll

16.0.5215.1000

283560

23-Nov-21

01:54

expsrv.dll

expsrv.dll

7.1.1116

504712

19-Nov-21

02:19

vbajet32.dll

vbajet32.dll

7.1.1116

20872

19-Nov-21

02:19

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

December 15, 2021

Added a "Known issues in this update" section to describe an issue that users may experience after installing this update.

December 22, 2021

Updated the "Known issues in this update" section to provide a resolution to the issue.

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