Downgrade Issue in Intel-Based Mac Computers Affects User Data Security

CVE-2025-43390

What is CVE-2025-43390?

A security issue impacting Intel-based Mac computers has been identified, where a downgrade vulnerability could permit unauthorized access to sensitive user data. To mitigate this risk, Apple has implemented enhanced code-signing restrictions to secure the system environment. Users are encouraged to update to macOS Sequoia version 15.7.2 or later to ensure their devices are protected against potential exploitation.

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