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Summary

This security update resolves a vulnerability in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2020-17062.

Note To apply this security update, you must have the release version of 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

This security update fixes the following nonsecurity issue:

  • An application that uses the Microsoft.ACE.OLEDB.12.0 or Microssoft.ACE.OLEDB.16.0 COM provider to call OLEDB interfaces may crash.

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: November 10, 2020.

Security update replacement information

This security update replaces previously released security update 4484431.

File hash information

File name

SHA1 hash

SHA256 hash

ace2016-kb4484508-fullfile-x86-glb.exe

8C22DE26AA939A4D04776C5B508F3D82BE63A266

53FEA735E9582F16C1970C63507B5B4833A5465477F23491693DFC28F68E22BC

ace2016-kb4484508-fullfile-x64-glb.exe

40693EC250836E8668C8688D08140B6D92D01817

8C18B543FCCB05473D026A1EEC2C4397F2528BA040A76A71A896DC972A08EC39


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

16.0.5083.1000

1700208

14-Oct-20

07:51

acacedao.dll

acedao.dll

16.0.4684.1000

446824

13-Oct-20

04:29

acedao.dll

acedao.dll

16.0.4684.1000

446824

13-Oct-20

04:29

acees.dll

acees.dll

16.0.4852.1000

674536

13-Oct-20

04:29

aceexcl.dll

aceexcl.dll

16.0.5044.1000

414120

13-Oct-20

04:29

aceodbc.dll

aceodbc.dll

16.0.4999.1000

299976

13-Oct-20

04:29

aceoddbs.dll

aceoddbs.dll

16.0.4684.1000

26472

13-Oct-20

04:29

aceoledb.dll

aceoledb.dll

16.0.5083.1000

340416

14-Oct-20

07:51

acetxt.dll

acetxt.dll

16.0.4996.1000

175000

13-Oct-20

04:29

acexbe.dll

acexbe.dll

16.0.4831.1000

265920

13-Oct-20

04:29

expsrv.dll

expsrv.dll

7.1.1100

333176

13-Oct-20

08:04

vbajet32.dll

vbajet32.dll

7.1.1100

17784

13-Oct-20

08:04

File identifier

File name

File version

File size

Date

Time

acecore.dll

acecore.dll

16.0.5083.1000

2292088

14-Oct-20

07:56

acacedao.dll

acedao.dll

16.0.4492.1000

604536

13-Oct-20

04:37

acedao.dll

acedao.dll

16.0.4492.1000

604536

13-Oct-20

04:37

acees.dll

acees.dll

16.0.4924.1000

906168

13-Oct-20

04:37

aceexch.dll

aceexch.dll

16.0.4759.1000

259480

13-Oct-20

04:37

aceexcl.dll

aceexcl.dll

16.0.5044.1000

545688

13-Oct-20

04:37

aceodbc.dll

aceodbc.dll

16.0.4999.1000

352624

13-Oct-20

04:37

aceoddbs.dll

aceoddbs.dll

16.0.4513.1000

28536

13-Oct-20

04:37

aceoledb.dll

aceoledb.dll

16.0.5083.1000

441264

14-Oct-20

07:56

acetxt.dll

acetxt.dll

16.0.4996.1000

213912

13-Oct-20

04:37

acexbe.dll

acexbe.dll

16.0.4831.1000

326544

13-Oct-20

04:37

expsrv.dll

expsrv.dll

7.1.1100

503672

13-Oct-20

08:03

vbajet32.dll

vbajet32.dll

7.1.1100

20856

13-Oct-20

08:03

Information about protection and security

Protect yourself online: Windows Security support

Learn how we guard against cyber threats: Microsoft Security

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