Exposure of Sensitive Information to an Unauthorized Actor
Notification Center in Apple OS X before 10.10.5 does not properly remove dismissed notifications, which allows attackers to read arbitrary notifications via a crafted app.
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.