Apple Mail Privacy Handling Vulnerability

A privacy vulnerability in Apple Mail has been identified, where user preferences for hiding IP addresses and blocking remote content may not be consistently applied to all email content. This issue is present in iOS 26.4, iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, and macOS Tahoe 26.4. The vulnerability arises from inadequate management of user preferences, potentially leading to unintended exposure of user information or content.

Impact

The vulnerability may cause user privacy settings to be ignored in certain email contexts, potentially leading to unintentional data exposure.