Description of the security update for Skype for Business 2015 (Lync 2013): September 12, 2017

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.

• 
  Download the security update KB4011107 for the 32-bit version of Skype for Business 2015 (Lync 2013)
• 
  Download the security update KB4011107 for the 64-bit version of Skype for Business 2015 (Lync 2013)

Security update deployment information

For deployment information about this update, see security update deployment information: September 12, 2017.

Security update replacement information

This security update doesn't replace any previously released update.

Prerequisites

Update	Download link
June 13, 2017, Lynchelploc update for Lync 2015 (Skype for Business) (3191937)	Download the 32-bit Lynchelploc update package now. Download the 64-bit Lynchelploc update package now.
June 9, 2015, update for Office 2013 (3054853) Note You don't have to apply update 3054853 if you applied the April 14, 2015, update (2889923) or the May 12, 2015, security update (3039779) for Lync 2013 (Skype for Business).	Download the 32-bit mso update package now. Download the 64-bit mso update package now.

File hash information

File information