Description of the security update for Office 2016: August 11, 2020

Summary

This security update resolves a remote code execution vulnerability that exists in Microsoft Access software if the software does not correctly handle objects in memory. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2020-1563.

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?).

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.

• Download security update 4484431 for the 32-bit version of Office 2016
• Download security update 4484431 for the 64-bit version of Office 2016

More information

Security update deployment information

For deployment information about this update, see security update deployment information: August 11, 2020.

Security update replacement information

This security update replaces previously released security update 4484287.

File hash information

File name	SHA1 hash	SHA256 hash
ace2016-kb4484431-fullfile-x86-glb.exe	475956EF49E4DEB21754FD01BAF821800E9AF5BF	5F06D80BA2C6F62E45BE7737FF246C8D4D822E08C8331BFAD0682F5317C19C4E
ace2016-kb4484431-fullfile-x64-glb.exe	3915C0F675C9B62CD7F866C1D70833907265B32C	B883115327AA05EC90D0D70F62185F0627C7234CBAD295B667F09C5EF109AA80

File informationThe 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.

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For all supported x86-based versions of Office 2016

File identifier	File name	File version	File size	Date	Time
acecore.dll	acecore.dll	16.0.4999.1000	1700632	14-Jul-20	03:43
acacedao.dll	acedao.dll	16.0.4684.1000	446824	14-Jul-20	03:43
acedao.dll	acedao.dll	16.0.4684.1000	446824	14-Jul-20	03:43
acees.dll	acees.dll	16.0.4852.1000	674536	14-Jul-20	03:43
aceexcl.dll	aceexcl.dll	16.0.5044.1000	414120	15-Jul-20	09:35
aceodbc.dll	aceodbc.dll	16.0.4999.1000	299976	14-Jul-20	03:43
aceoddbs.dll	aceoddbs.dll	16.0.4684.1000	26472	14-Jul-20	03:43
aceoledb.dll	aceoledb.dll	16.0.5011.1000	339880	14-Jul-20	03:43
acetxt.dll	acetxt.dll	16.0.4996.1000	175000	14-Jul-20	03:43
acexbe.dll	acexbe.dll	16.0.4831.1000	265920	14-Jul-20	03:43
expsrv.dll	expsrv.dll	7.1.1096	333184	14-Jul-20	07:08
vbajet32.dll	vbajet32.dll	7.1.1096	17792	14-Jul-20	07:08

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For all supported x64-based versions of Office 2016

File identifier	File name	File version	File size	Date	Time
acecore.dll	acecore.dll	16.0.4999.1000	2292504	14-Jul-20	03:52
acacedao.dll	acedao.dll	16.0.4492.1000	604536	14-Jul-20	03:52
acedao.dll	acedao.dll	16.0.4492.1000	604536	14-Jul-20	03:52
acees.dll	acees.dll	16.0.4924.1000	906168	14-Jul-20	03:52
aceexch.dll	aceexch.dll	16.0.4759.1000	259480	14-Jul-20	03:52
aceexcl.dll	aceexcl.dll	16.0.5044.1000	545688	15-Jul-20	09:39
aceodbc.dll	aceodbc.dll	16.0.4999.1000	352624	14-Jul-20	03:52
aceoddbs.dll	aceoddbs.dll	16.0.4513.1000	28536	14-Jul-20	03:52
aceoledb.dll	aceoledb.dll	16.0.5011.1000	440248	14-Jul-20	03:52
acetxt.dll	acetxt.dll	16.0.4996.1000	213912	14-Jul-20	03:52
acexbe.dll	acexbe.dll	16.0.4831.1000	326544	14-Jul-20	03:52
expsrv.dll	expsrv.dll	7.1.1096	503888	14-Jul-20	07:08
vbajet32.dll	vbajet32.dll	7.1.1096	21096	14-Jul-20	07:08

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