MS14-036: Description of the security update for Microsoft Lync 2013: June 10, 2014

Applies to: Microsoft Lync 2013Lync Basic 2013


This security update resolves a resolves a vulnerability in Microsoft Lync that could allow information disclosure if a user opens a specially crafted Lync meeting request.


Microsoft has released security bulletin MS14-036. To learn more about this security bulletin:

How to obtain help and support for this security update

Help installing updates: Support for Microsoft Update

Security solutions for IT professionals:
TechNet Security Support and Troubleshooting

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

Local support according to your country:
International Support

More information about this security update

To enable this Lync 2013 update, make sure that the following are installed:
  • Lync Client or Lync Basic package
  • Mso package
  • Msores package
2878316 MS14-023: Description of the security update for Office 2013: May 13, 2014

2817624 Description of the Office 2013 update: September 10, 2013

2826040 Update 2826040 for Office 2013: May 13, 2014

2850074 Update 2850074 for Lync 2013: June 2014

Fixes that are included in this security update

This security update resolves the issues that are described in the following articles.

KB numberTitle
2968239 "An error occurred" error when a Lync 2013 user joins a Lync Online meeting that is created by a non-federated user
2968243 Lync 2013 crashes when you annotate in a shared whiteboard or present a PPT after recording
2968248 Lync 2013 video quality is low when you scale up the size of the video window in UI suppression mode
2968251 Update adds an upload notification when you upload PPT in a meeting in Lync 2013
2962990 Escape special characters when creating a contact or group in UCS mode in the packet that is sent to the server
2962980 Lync 2013 prompts you for Exchange credential in an Exchange deployed environment
2962982 Caller's display name is not in the toast notification when you receive a call in Lync 2013
2962986 Lync 2013 takes a long time to sign in after it is disconnected from a front-end server
2962989 Lync 2013 freezes during signing in when you have a long-time meeting scheduled in your Outlook calendar
2976999 Update adds the ability to disable the PowerPoint presentation feature in Lync 2013

Prerequisites for installing this security update

To install this security update, you must have Lync 2013 installed on the computer.

Restart information

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.

For more information, see "887012 Why you may be prompted to restart your computer after you install a security update on a Windows-based computer for more information."

Security update replacement information

This security update replaces the following security update:
2850057 MS13-096: Description of the security update for Lync 2013: December 10, 2013

Removal information

Note We do not recommend that you remove any security update.

To remove this security update, use the Add or Remove Programs item or use the Programs and Features item in Control Panel.

Note When you remove this security update, you may be prompted to insert the disc that contains Microsoft Lync 2013. Additionally, you may not have the option to uninstall this security update from the Add or Remove Programs item or the Programs and Features item in Control Panel. There are several possible causes of this issue.

For more information about the removal, click the following article number to view the article in the Microsoft Knowledge Base:

903771 Information about the ability to uninstall Office updates