Fix for Lync Server 2013 and Lync Server 2010 Denial of Service Vulnerability

The June 2019 Security update contains a security fix for the Denial of Service Vulnerability that is described in the following security advisory:

• CVE-2019-1029 | Skype for Business and Lync Server Denial of Service Vulnerability

To get this update, install the following updates:

• June 2019 Cumulative Update 4.0.7577.766 for Lync Server 2010, Unified Communications Managed API 3.0 Runtime

• June 2019 cumulative update 5.0.8308.1091 for Lync Server 2013 Unified Communications Managed API 4.0 Runtime