A security vulnerability exists in Microsoft Office Web Apps Server 2013 that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability.

This update fixes critical issues and also helps to improve security. It includes fixes for vulnerabilities that an attacker can use to overwrite the contents of your computer’s memory with malicious code.

This update provides new functionality and various improvements and fixes for Outlook for Mac for Office 365. THIS RELEASE CONTINUES TO BE AVAILABLE TO ELIGIBLE OFFICE 365 SUBSCRIBERS ONLY.

Security Update for Microsoft Lync 2010 (64 -bit) (KB3051464)

Security Update for Microsoft Lync 2010 (32 -bit) (KB3051464)

Security Update for Microsoft Lync 2010 Attendee (Admin level install) (KB3051466)

Security Update for Microsoft Lync 2010 Attendee (user level install) (KB3051465)

Skype for Business Server 2015, Call Quality Dashboard offers quick and easy access to aggregated call quality information for on-premise deployments.

A Lync Server 2013 web component that allows IT administrators to monitor and manage their organization’s Lync Room System devices.

A Skype for Business Server web component that allows IT administrators to monitor and manage their organization’s Lync Room System devices.