Description of the security update for Office 2016: January 9, 2018

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 ADV180003.

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 Determining your Office version).

Improvements and fixes

This update adds a registry key that enables authentication even if UseOnlineContent is set to 0. You must manually add the following registry key to enable the feature:

  • Location: HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\Identity\

  • Type: DWORD

  • Name: EnableAuthInOfflineMode

  • Value: 1

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: January 9, 2018.

Security update replacement information

This security update replaces previously released security update KB 4011038.

File hash information

Package Name

Package Hash SHA 1

Package Hash SHA 2

msodll99l2016-kb4011622-fullfile-x64-glb.exe

3F82C3F20941A0879F9B1F938DD4B93A723E69F8

89EDBE3EB545B6E1B2D043835DC93D9CB739442FDFC2C4AF47EC0AFAB717DBFB

msodll99l2016-kb4011622-fullfile-x86-glb.exe

2EC1893BA19A6D7126D69821ECC57038F6393891

53CCDF93435D307EF62D21757FF7F8C09588CB67F691DD02C23A24BBC4740A88

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 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.

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

17-Dec-17

02:34

mso99lres.dll.x86

mso99lres.dll

16.0.4519.1000

9501440

17-Dec-17

02:39

mso99lwin32client.dll.x64

mso99lwin32client.dll

16.0.4639.1000

8157928

17-Dec-17

02:34

xlsrv.ecs.mso99lwin32client.dll

mso99lwin32client.dll

16.0.4639.1000

8157928

mso99lwin32client.dll.x86

mso99lwin32client.dll

16.0.4639.1000

5858536

17-Dec-17

02:34

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

17-Dec-17

02:33

mso99lres.dll

mso99lres.dll

16.0.4519.1000

9501440

17-Dec-17

02:33

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

17-Dec-17

02:33

mso99lres.dll.x86

mso99lres.dll

16.0.4519.1000

9501440

17-Dec-17

02:39

mso99lwin32client.dll.x64

mso99lwin32client.dll

16.0.4639.1000

8157928

17-Dec-17

02:34

xlsrv.ecs.mso99lwin32client.dll

mso99lwin32client.dll

16.0.4639.1000

8157928

mso99lwin32client.dll.x86

mso99lwin32client.dll

16.0.4639.1000

5858536

17-Dec-17

02:34

How to get help and support for this security update

Help for installing updates: Windows Update FAQ

Security solutions for IT professionals: 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

Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Insiders

Was this information helpful?

Thank you for your feedback!

Thank you for your feedback! It sounds like it might be helpful to connect you to one of our Office support agents.

×