ms16-079

MS16-079 is a security bulletin from Microsoft, released on June 14, 2016, addressing vulnerabilities in Microsoft Exchange Server. The update resolves issues that could lead to information disclosure, particularly when an attacker sends a specially crafted image URL in an Outlook Web Access (OWA) message. This URL could be loaded without warning or filtering from an attacker-controlled source. The bulletin is rated Important and is part of Microsoft's regular security update cycle. Users and administrators of Exchange Server should apply this update to mitigate the risk of information disclosure.