Description of the security update for Office 2016: September 10, 2019

Summary

This security update resolves a remote code execution vulnerability that exists if the Windows Jet Database Engine incorrectly handles objects in memory. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2019-1246.

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 contains a fix for the following nonsecurity issue:

• It may take longer than in earlier versions of Office to refresh PivotTables that are connected to external data, such as Access databases or other Excel workbooks on a network share.

Known issues

After installing this update, you may see a “File failed to upload” error when saving files to a network location. To fix this issue, install KB 3085368.

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 4475591 for the 32-bit version of Office 2016
• Download security update 4475591 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: September 10, 2019.

Security update replacement information

This security update replaces previously released security update 4475538.

File hash information

File name	SHA1 hash	SHA256 hash
ace2016-kb4475591-fullfile-x86-glb.exe	2C4D7C01ACDEDF27BE295C3E0EC4004D8E601379	D53E8D126D997786F7A92C444803486D79EFD40655538226EFE89694F379F7B8
ace2016-kb4475591-fullfile-x64-glb.exe	B133B170143DFBA8DC8FE84E00B17DDE952AFC84	C3BFD7C0A44F9E38C695D3AF8DFE64989B17BE0A0F4F3684B093EE98D59FEE47

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	16.0.4900.1000	1707112	14-Aug-19	07:30
acacedao.dll	acedao.dll	16.0.4684.1000	446824	13-Aug-19	05:27
acedao.dll	acedao.dll	16.0.4684.1000	446824	13-Aug-19	05:27
acees.dll	acees.dll	16.0.4852.1000	674536	13-Aug-19	05:27
aceexcl.dll	aceexcl.dll	16.0.4888.1000	421456	13-Aug-19	05:27
aceodbc.dll	aceodbc.dll	16.0.4684.1000	298328	13-Aug-19	05:27
aceoddbs.dll	aceoddbs.dll	16.0.4684.1000	26472	13-Aug-19	05:27
aceoledb.dll	aceoledb.dll	16.0.4870.1000	343928	13-Aug-19	05:27
acetxt.dll	acetxt.dll	16.0.4831.1000	173240	13-Aug-19	05:27
acexbe.dll	acexbe.dll	16.0.4831.1000	265920	13-Aug-19	05:27
expsrv.dll	expsrv.dll	7.1.1056	329360	13-Aug-19	09:40
vbajet32.dll	vbajet32.dll	7.1.1056	15512	13-Aug-19	09:40

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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	16.0.4900.1000	2298976	14-Aug-19	07:33
acacedao.dll	acedao.dll	16.0.4492.1000	604536	13-Aug-19	05:35
acedao.dll	acedao.dll	16.0.4492.1000	604536	13-Aug-19	05:35
acees.dll	acees.dll	16.0.4810.1000	904424	13-Aug-19	05:35
aceexch.dll	aceexch.dll	16.0.4759.1000	259480	13-Aug-19	05:35
aceexcl.dll	aceexcl.dll	16.0.4888.1000	552592	13-Aug-19	05:35
aceodbc.dll	aceodbc.dll	16.0.4759.1000	350672	13-Aug-19	05:35
aceoddbs.dll	aceoddbs.dll	16.0.4513.1000	28536	13-Aug-19	05:35
aceoledb.dll	aceoledb.dll	16.0.4870.1000	443040	13-Aug-19	05:35
acetxt.dll	acetxt.dll	16.0.4831.1000	212368	13-Aug-19	05:35
acexbe.dll	acexbe.dll	16.0.4831.1000	326544	13-Aug-19	05:35
expsrv.dll	expsrv.dll	7.1.1056	491152	13-Aug-19	09:40
vbajet32.dll	vbajet32.dll	7.1.1056	18584	13-Aug-19	09:40

How to get help and support for this security updateHelp for installing updates: Protect yourself online

Help for protecting your Windows-based computer from viruses and malware: Microsoft Security

Local support according to your country: International Support