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-2017-0281.

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: May 9, 2017.

Security update replacement information

This security update doesn't replace any previously released update.

File hash information

 

Package Name

Package Hash SHA 1

Package Hash SHA 2

msodll99l2016-kb3191863-fullfile-x86-glb.exe

D9E83E5F29F75C3923576B28811239A44D35609E

77BD7DF36699AF219F4572D94BE62BFBC9DF306E00FD7D66FCD934E3AEAEBE22

msodll99l2016-kb3191863-fullfile-x64-glb.exe

0448372591D45C2CEC31C301D7B84C70EBF6B812

371CC5DB9906997D141B57621E1456E27588B5886F7CF7715B54A4E17817D80A

File information

The English version of this security update has the file attributes (or later file attributes) that are listed in the following table.

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

11-Apr-17

12:36

mso99lres.dll.x86

mso99lres.dll

16.0.4519.1000

9501440

11-Apr-17

12:44

mso99lwin32client.dll.x64

mso99lwin32client.dll

16.0.4534.1000

8157440

12-Apr-17

03:20

xlsrv.ecs.mso99lwin32client.dll

mso99lwin32client.dll

16.0.4534.1000

8157440

mso99lwin32client.dll.x86

mso99lwin32client.dll

16.0.4534.1000

5861120

12-Apr-17

03:18

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

11-Apr-17

12:38

mso99lres.dll

mso99lres.dll

16.0.4519.1000

9501440

11-Apr-17

12:36

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

11-Apr-17

12:36

mso99lres.dll.x86

mso99lres.dll

16.0.4519.1000

9501440

11-Apr-17

12:44

mso99lwin32client.dll.x64

mso99lwin32client.dll

16.0.4534.1000

8157440

12-Apr-17

03:20

xlsrv.ecs.mso99lwin32client.dll

mso99lwin32client.dll

16.0.4534.1000

8157440

mso99lwin32client.dll.x86

mso99lwin32client.dll

16.0.4534.1000

5861120

12-Apr-17

03:18

How to get help and support for this security update

Help for installing updates: Support for Microsoft Update

Security solutions for IT professionals: TechNet Security Troubleshooting and Support

Help for protecting your Windows-based computer from viruses and malware: Virus Solution and Security Center

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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