Exposure of Sensitive Information to an Unauthorized Actor
Outlook in Microsoft Office for Mac 2008 before 12.3.6 and Office for Mac 2011 before 14.3.2 allows remote attackers to trigger access to a remote URL and consequently confirm the rendering of an HTML e-mail message by including unspecified HTML5 elements and leveraging the installation of a WebKit browser on the victim's machine, aka "Unintended Content Loading Vulnerability."
CWE-200 - Information Exposure
An information exposure vulnerability is categorized as an information flow (IF) weakness, which can potentially allow unauthorized access to otherwise classified information in the application, such as confidential personal information (demographics, financials, health records, etc.), business secrets, and the application's internal environment.