Apple macOS Downgrade Vulnerability Allowing Access to User-Sensitive Data
Vulnerability
A downgrade vulnerability has been identified in Intel-based Mac computers running various versions of macOS. This issue allows apps to access user-sensitive data by exploiting the downgrade. The vulnerability has been addressed with additional code-signing restrictions. The issue is present in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, and macOS Tahoe 26.4.
Impact
Exploitation of this vulnerability could lead to unauthorized access to user-sensitive data by applications.
Added: Mar 25, 2026, 2:27 AM
Updated: Mar 25, 2026, 2:27 AM
Vulnerability Rating
Custom Algorithm
spread
0.0impact
0.6exploitability
4.0remediation
0.0relevance
4.7threat
0.0urgency
2.9incentive
0.0Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.