A new series of updates have been released for Lync 2010.
As usual you can deploy the server-side updates by using the Cumulative Update Installer :
Updates for Lync Server 2010http://support.microsoft.com/?kbid=2493736
On the Client side you can find the download links here :
Description of the cumulative update package for Lync 2010: June 2012http://support.microsoft.com/kb/2701664
Here is the list of the released updates :
List taken from : http://imaucblog.com/archive/2012/06/17/cumulative-update-package-cu6-released-for-lync-2010-june-2012/