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

Applies to: Office Professional Plus 2016Office Professional 2016Office Standard 2016

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