The fellowing KBs were released in Lync Server 2010 Nov CU.
- 2772400 Description of the update for Lync Server 2010, Unified Communications Managed API 3.0 Runtime: November 2012
- 2772405 Description of the update for Lync Server 2010: November 2012
- 2751447 Description of the cumulative update for Lync Server 2010, Conferencing Server: November 2012
Note: You need to contact Microsoft Customer Support Services to obtain the hotfix.
For the Update version information for each CU, please refer to the follow link: