What is prompt injection in Apple Intelligence?

It's sneaking malicious instructions past AI filters to force unwanted actions, like cursing or adding fake contacts—76% success in RSAC tests.

Is Apple Intelligence safe after iOS 26.4 update?

Patched for this attack, yeah—but prompt injection's ongoing cat-and-mouse; new tricks will emerge.

Can hackers use Neural Exec on my iPhone?

Potentially, since it's for any local model; smaller on-device AIs like Apple's are prime targets over cloud giants.

🕳️ Vulnerabilities & CVEs

Apple Intelligence Jailbroken to Curse and Fake Contacts

Security pros made Apple's vaunted Intelligence curse like a sailor. Worse: it could spoof your mom in contacts. Patched, sure—but who's buying the hype?

theAIcatchup Apr 09, 2026 3 min read

Screenshot of Apple Intelligence outputting curse after prompt injection attack

⚡ Key Takeaways

RSAC researchers achieved 76% success tricking Apple Intelligence into cursing via Neural Exec and Unicode hacks. 𝕏
Attack could create fake contacts like 'Mom' with attacker's number, granting trust privileges. 𝕏
Apple patched in iOS/macOS 26.4, but on-device models remain easier targets than cloud AI. 𝕏

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#Apple Intelligence #Neural Exec #RSAC security research #prompt injection

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Originally reported by The Register Security

⚡ Key Takeaways

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