Apple macOS App Sandbox Breakout Vulnerability

Vulnerability

A vulnerability exists in the App Sandbox feature of macOS that allows an application to break out of its sandbox restrictions. This issue has been addressed with additional sandbox restrictions and is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, and macOS Tahoe 26.2.

Impact

Exploitation of this vulnerability could allow an application to escape its sandbox, potentially leading to unauthorized access to protected user data or files within the App Sandbox container.

Added: May 12, 2026, 6:48 PM
Updated: May 12, 2026, 6:48 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
7.5
exploitability
4.2
remediation
7.7
relevance
8.1
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.