Apple fixes macOS zero-day bug exploited by Shlayer malware

Apple has fixed a zero-day vulnerability in macOS exploited in the wild by Shlayer malware to bypass Apple’s File Quarantine, Gatekeeper, and Notarization security checks and download second-stage malicious payloads.

Shlayer’s creators have managed to get their malicious payloads through Apple’s automated notarizing process before.

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Source: Bleeping Computer