Apple macOS Installer Sandbox Escape Vulnerability

Vulnerability

A permissions issue allowing a malicious app to break out of its sandbox has been identified in the Apple macOS Installer. This vulnerability is present in several different versions and ranges of macOS, including Sequoia 15.7.7, Sonoma 14.8.7, and Tahoe 26.5. The issue arises from inadequate restrictions, which could potentially be exploited by applications to access unauthorized resources or perform actions outside their designated sandbox environment.

Impact

Exploitation of this vulnerability could lead to unauthorized access to system resources or user data by allowing a malicious app to escape its sandbox restrictions.

Added: May 11, 2026, 9:42 PM
Updated: May 11, 2026, 9:42 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
7.5
exploitability
3.3
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.