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Summary

This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. To learn more about these vulnerabilities, see Microsoft Common Vulnerabilities and Exposures CVE-2017-8509.

Note To apply this security update, you must have the release version of Office 2016 installed on the computer.

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 stand-alone package for this update, go to the Microsoft Update Catalog website.

Method 3: Microsoft Download Center

You can get the stand-alone 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: June 13, 2017.

Security update replacement information

This security update replaces previously released security update KB3191863.

File hash information

Package Name

Package Hash SHA 1

Package Hash SHA 2

msodll99l2016-kb3191943-fullfile-x86-glb.exe

E36C40C8541CDA93D02777CE46AA68DB6D7EA0D4

78151F81B9AA69C72C206A290711D20F5E58739DD43F2FFEDDB87CAACB730B2A

msodll99l2016-kb3191943-fullfile-x64-glb.exe

EB007875E03D961BC17FCE0FC5A4820E0D9AC15C

DFA5B29C33CE6C6777B6C14150729771C1C7A915126F1EC999D827C3DEAFDD05

File information

The English version of this security update has the file attributes (or later file attributes) that are listed in the following table. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the 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 the times may change when you perform certain operations on the files.

For all supported x86-based versions of Office 2016

File identifier

File name

File version

File size

Date

Time

mso99lres.dll

mso99lres.dll

16.0.4519.1000

9501440

16-May-17

06:33

mso99lres.dll.x86

mso99lres.dll

16.0.4519.1000

9501440

16-May-17

06:42

mso99lwin32client.dll.x64

mso99lwin32client.dll

16.0.4549.1000

8156416

17-May-17

03:24

xlsrv.ecs.mso99lwin32client.dll

mso99lwin32client.dll

16.0.4549.1000

8156416

mso99lwin32client.dll.x86

mso99lwin32client.dll

16.0.4549.1000

5858560

17-May-17

03:22

For all supported x64-based versions of Office 2016

File identifier

File name

File version

File size

Date

Time

conversion.office.mso99lres.dll

mso99lres.dll

16.0.4519.1000

9501440

16-May-17

06:36

mso99lres.dll

mso99lres.dll

16.0.4519.1000

9501440

16-May-17

06:33

ppt.conversion.mso99lres.dll

mso99lres.dll

16.0.4519.1000

9501440

ppt.edit.mso99lres.dll

mso99lres.dll

16.0.4519.1000

9501440

wac.office.mso99lres.dll

mso99lres.dll

16.0.4519.1000

9501440

mso99lres.dll

mso99lres.dll

16.0.4519.1000

9501440

16-May-17

06:33

mso99lres.dll.x86

mso99lres.dll

16.0.4519.1000

9501440

16-May-17

06:42

mso99lwin32client.dll.x64

mso99lwin32client.dll

16.0.4549.1000

8156416

17-May-17

03:24

xlsrv.ecs.mso99lwin32client.dll

mso99lwin32client.dll

16.0.4549.1000

8156416

mso99lwin32client.dll.x86

mso99lwin32client.dll

16.0.4549.1000

5858560

17-May-17

03:22

How to get help and support for this security update

Help for installing updates: Windows Update FAQ

Security solutions for IT professionals: TechNet Security Support and Troubleshooting

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

Local support according to your country: International Support

Propose a feature or provide feedback on Office Core: Office User Voice portal

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