Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.

Summary

This security update resolves a vulnerability in Microsoft Office. To learn more about the vulnerability, see Microsoft Security Bulletin MS16-121.

More information about this security update

The following articles contain more information about this security update as it relates to individual product versions. These articles may contain known issue information.

Nonsecurity-related fixes and improvements that are included in this security update

More Information

Microsoft Office 2007 (all editions) and other softwareReference table

The following table contains the security update information for this software.


Security update file name

For Microsoft Word 2007 Service Pack 3:
word2007-kb3118308-fullfile-x86-glb.exe

For Microsoft Office Compatibility Pack:
wordconv2007-kb3118307-fullfile-x86-glb.exe

For Microsoft Word Viewer:
office-kb3127898-fullfile-enu.exe

Installation switches

See Microsoft Knowledge Base article 912203

Restart requirement

In some cases, this update does not require a restart. If the required files are being used, this update will require a restart. If this behavior occurs, a message appears that advises you to restart.

To help reduce the chance that a restart will be required, stop all affected services and close all applications that may use the affected files prior to installing the security update. For more information about the reasons why you may be prompted to restart, see Microsoft Knowledge Base article 887012.

Removal information

Use the Add or Remove Programs item in Control Panel.

File information

See Microsoft Knowledge Base article 3118308
See Microsoft Knowledge Base article 3118307
See Microsoft Knowledge Base article 3127898

Registry key verification

Not applicable

Microsoft Office 2010 (all editions)Reference table

The following table contains the security update information for this software.


Security update file name

For Microsoft Office 2010 Service Pack 2 (32-bit editions):
kb24286772010-kb3118311-fullfile-x86-glb.exe

For Microsoft Office 2010 Service Pack 2 (64-bit editions):
kb24286772010- kb3118311-fullfile-x64-glb.exe

For Microsoft Word 2010 Service Pack 2 (32-bit editions):
word2010- kb3118312-fullfile-x86-glb.exe

For Microsoft Word 2010 Service Pack 2 (64-bit editions):
word2010- kb3118312-fullfile-x64-glb.exe

Installation switches

See Microsoft Knowledge Base article 912203

Restart requirement

In some cases, this update does not require a restart. If the required files are being used, this update will require a restart. If this behavior occurs, a message appears that advises you to restart.
To help reduce the chance that a restart will be required, stop all affected services and close all applications that may use the affected files prior to installing the security update. For more information about the reasons why you may be prompted to restart, see Microsoft Knowledge Base article 887012.

Removal information

Use the Add or Remove Programs item in Control Panel.

File information

See Microsoft Knowledge Base article 3118311
See Microsoft Knowledge Base article 3118312

Registry key verification

Not applicable

Microsoft Office 2013 (all editions)Reference table

The following table contains the security update information for this software.


Security update file name

For Microsoft Word 2013 Service Pack 1 (32-bit editions):
word2013-kb3118345-fullfile-x86-glb.exe

For Microsoft Word 2013 Service Pack 1 (64-bit editions):
word2013-kb3118345-fullfile-x64-glb.exe

Installation switches

See Microsoft Knowledge Base article 912203

Restart requirement

In some cases, this update does not require a restart. If the required files are being used, this update will require a restart. If this behavior occurs, a message appears that advises you to restart.

To help reduce the chance that a restart will be required, stop all affected services and close all applications that may use the affected files prior to installing the security update. For more information about the reasons why you may be prompted to restart, see Microsoft Knowledge Base article 887012.

Removal information

Use the Add or Remove Programs item in Control Panel.

File information

See Microsoft Knowledge Base article 3118345

Registry key verification

Not applicable

Microsoft Office 2013 RT (all editions)

Deployment

The 3118345 update for Microsoft Word 2013 RT is available via Windows Update.

Restart requirement

In some cases, this update does not require a restart. If the required files are being used, this update will require a restart. If this behavior occurs, a message appears that advises you to restart.

To help reduce the chance that a restart will be required, stop all affected services and close all applications that may use the affected files prior to installing the security update. For more information about the reasons why you may be prompted to restart, see Microsoft Knowledge Base article 887012.

Removal information

Click Control Panel, click System and Security, and then click Windows Update. Under See also, click Installed updates, and then select from the list of updates.

File information

See Microsoft Knowledge Base article 3118345

Microsoft Office 2016 (all editions)Reference table

The following table contains the security update information for this software.


Security update file name

For Microsoft Word 2016 (32-bit edition):
word2016-kb3118331-fullfile-x86-glb.exe

For Microsoft Word 2016 (64-bit edition):
word2016-kb3118331-fullfile-x64-glb.exe

Installation switches

See Microsoft Knowledge Base article 912203

Restart requirement

In some cases, this update does not require a restart. If the required files are being used, this update will require a restart. If this behavior occurs, a message appears that advises you to restart.

To help reduce the chance that a restart will be required, stop all affected services and close all applications that may use the affected files prior to installing the security update. For more information about the reasons why you may be prompted to restart, see Microsoft Knowledge Base article 887012.

Removal information

Use the Add or Remove Programs item in Control Panel.

File information

See Microsoft Knowledge Base article 3118331

Registry key verification

Not applicable

Office for Mac 2016Reference table

The following table contains the security update information for this software.

Requirements

To install this update, you must be running OS X Yosemite 10.10 or a later version

Previous Versions

If you already have Office for Mac 2011 installed, you can run Office for Mac 2011 and Office 2016 for Mac side-by-side. If you want to remove Office for Mac 2011, see Uninstall Office 2011 for Mac

Installation

This update is available from Microsoft AutoUpdate. AutoUpdate is provided together with Office. It automatically keeps Microsoft software up-to-date. To use AutoUpdate, start a Microsoft Office program, and then click Check for Updates on the Help menu.

Office for Mac 2011Reference table

The following table contains the security update information for this software.


Requirements

Office for Mac 2011 14.1.0 or a later version installed on your computer. Also, make sure that the computer is running Mac OS X 10.5.8 or a later version of the Mac OS X operating system.

To verify that the computer meets this prerequisite, click About This Mac on the Apple menu.

To verify that Office for Mac 2011 14.1.0 is installed on your computer, follow these steps:
On the Go menu, click Applications.
Open the Microsoft Office 2011 folder, and then start any Office application. (For example, start Microsoft Word).

On the application menu, click About <application>.

In the About <application> dialog box, notice the version number that is displayed. The number should be 14.1.0 or a later version.

Previous Versions

If you already have Office 2016 for Mac installed, and you do not want to receive Office for Mac 2011 updates, follow the steps in Uninstall Office 2011 for Mac to remove Office for Mac 2011.

Installation

This update is available from Microsoft AutoUpdate. AutoUpdate is provided together with Office. It automatically keeps Microsoft software up-to-date. To use AutoUpdate, start a Microsoft Office program, and then click Check for Updates on the Help menu.

Microsoft SharePoint Server 2010 (all editions)Reference table

The following table contains the security update information for this software.


Security update file name

For Word Automation Services on supported editions of Microsoft SharePoint Server 2010 Service Pack 2:
wdsrv2010-kb3118377-fullfile-x64-glb.exe

Installation switches

See Microsoft Knowledge Base article 912203

Restart requirement

After you install this security update on all SharePoint servers, you must run the PSconfig tool to complete the installation process.
You may have to restart the computer after you install this security update.
In some cases, this update does not require a restart. If the required files are being used, this update will require a restart. If this behavior occurs, a message is displayed that advises you to restart the computer.

To help reduce the possibility that a restart will be required, stop all affected services and close all applications that may use the affected files before you install this security update.
See Why you may be prompted to restart your computer after you install a security update on a Windows-based computer for more information.

Removal information

This security update cannot be removed.

File Information

See Microsoft Knowledge Base article 3118377

Registry key verification

Not applicable

Microsoft SharePoint Server 2013 (all editions)Reference table

The following table contains the security update information for this software.


Security update file name

For Word Automation Services on supported editions of Microsoft SharePoint Server 2013 Service Pack 2:
wdsrvloc2013-kb3118352-fullfile-x64-glb.exe

Installation switches

See Microsoft Knowledge Base article 912203

Restart requirement

In some cases, this update does not require a restart. If the required files are being used, this update will require a restart. If this behavior occurs, a message appears that advises you to restart.

To help reduce the chance that a restart will be required, stop all affected services and close all applications that may use the affected files prior to installing the security update. For more information about the reasons why you may be prompted to restart, see Microsoft Knowledge Base article 887012.

Removal information

This security update cannot be removed.

File Information

See Microsoft Knowledge Base article 3118352

Registry key verification

Not applicable

Microsoft Office Web Apps 2010 (all versions)Reference table

The following table contains the security update information for this software.


Security update file name

For Microsoft Office Web Apps 2010 Service Pack 2:
wac2010-kb3118384-fullfile-x64-glb.exe

Installation switches

See Microsoft Knowledge Base article 912203

Restart requirement

In some cases, this update does not require a restart. If the required files are being used, this update will require a restart. If this behavior occurs, a message appears that advises you to restart.

To help reduce the chance that a restart will be required, stop all affected services and close all applications that may use the affected files prior to installing the security update. For more information about the reasons why you may be prompted to restart, see Microsoft Knowledge Base article 887012.

Removal information

This security update cannot be removed.

File Information

See Microsoft Knowledge Base article 3118384

Registry key verification

Not applicable

Microsoft Office Web Apps 2013 (all versions)Reference table

The following table contains the security update information for this software.


Security update file name

For all supported editions of Microsoft Office Web Apps Server 2013 Service Pack 2:
wacserver2013-kb3118360-fullfile-x64-glb.exe

Installation switches

See Microsoft Knowledge Base article 912203

Restart requirement

In some cases, this update does not require a restart. If the required files are being used, this update will require a restart. If this behavior occurs, a message appears that advises you to restart.

To help reduce the chance that a restart will be required, stop all affected services and close all applications that may use the affected files prior to installing the security update. For more information about the reasons why you may be prompted to restart, see Microsoft Knowledge Base article 887012.

Removal information

This security update cannot be removed.

File Information

See Microsoft Knowledge Base article 3118360

Registry key verification

Not applicable

Microsoft Office Online ServerReference table

The following table contains the security update information for this software.


Security update file name

For all supported editions of Office Online Server:
wacserver2016-kb3127897-fullfile-x64-glb.exe

Installation switches

See Microsoft Knowledge Base article 912203

Restart requirement

In some cases, this update does not require a restart. If the required files are being used, this update will require a restart. If this behavior occurs, a message appears that advises you to restart.

To help reduce the chance that a restart will be required, stop all affected services and close all applications that may use the affected files prior to installing the security update. For more information about the reasons why you may be prompted to restart, see Microsoft Knowledge Base article 887012.

Removal information

This security update cannot be removed.

File Information

See Microsoft Knowledge Base article 3127897

Registry key verification

Not applicable


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

Need more help?

Want more options?

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Was this information helpful?

What affected your experience?
By pressing submit, your feedback will be used to improve Microsoft products and services. Your IT admin will be able to collect this data. Privacy Statement.

Thank you for your feedback!

×