Apple has addressed a macOS vulnerability that unsigned and unnotarized script-based apps could exploit to bypass all macOS security protection mechanisms even on fully patched systems. If they circumvent automated notarization security checks (which scans for malicious components and code-signing issues), the applications are allowed to launch by Gatekeeper, a macOS security feature designed to verify if downloaded apps are notarized and developer-signed.

Read full article on Bleeping Computer