MS13-054: Description of the security update for Lync 2013: July 9, 2013


This update resolves a vulnerability that could allow remote code execution on a client system if a user views shared content that embeds TrueType font files. In addition, this update fixes the following issues:
2868300 You are unexpectedly transferred to a second PSTN call in Lync 2013

2868301 PowerPoint presentation doesn't fully display in Lync 2013 in German when update 2812461 is installed

New features released with this update


Microsoft has released security bulletin MS13-054. To view the complete security bulletin, go to the following Microsoft website:

How to obtain help and support for this security update

Help installing updates: Support for Microsoft Update

Security solutions for IT professionals: TechNet Security Troubleshooting and Support

Help protect your computer that is running Windows from viruses and malware: Virus Solution and Security Center

Local support according to your country: International Support

More information about this security update

Download information

This update is available for download from the Microsoft Download Center:

Lync Client 2013

Download Download the Microsoft Lync 2013 (32-bit) package now.

Download Download the Microsoft Lync 2013 (64-bit) package now.

Lync Basic 2013

Download Download the Microsoft Lync Basic 2013 (32-bit) package now.

Download Download the Microsoft Lync Basic 2013 package now.

2817491 Description of the Office 2013 update: July 9, 2013
2817489 Description of the Office 2013 update: July 9, 2013
2817482 Description of the Office 2013 update: July 9, 2013

Note To enable these Lync 2013 updates, make sure that the Lync Client or Lync Basic package, the Mso package, and the Msores package are installed. For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Prerequisites to apply this security update

To apply this security update, you must have Microsoft 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.

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

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.

See Information about the ability to uninstall Office updates for more information.

Security update replacement information

This security update does not replace any previously released security update.

Applies to

This article applies to the following:
  • Microsoft Lync 2013