Researcher says that Macs with T2 chips are vulnerable to a variant of the checkm8 exploit, which could jailbreak certain iPhones and was unpatchable (Catalin Cimpanu/ZDNet)

Catalin Cimpanu / ZDNet:
Researcher says that Macs with T2 chips are vulnerable to a variant of the checkm8 exploit, which could jailbreak certain iPhones and was unpatchable  —  Jailbreak involves combining last year's checkm8 exploit with the Blackbird vulnerability disclosed this August.