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iOS 26 Full-Chain 0-Day Exploit Listed on Dark Web

First seen 27 Nov 2025, 08:33 UTC • •

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ThreatCluster •March 12, 2026 at 13:27 UTC

A threat actor known as ResearcherX has posted a full-chain zero-day exploit targeting Apple's iOS 26 on a dark web marketplace. The exploit reportedly takes advantage of a critical memory-corruption vulnerability within the iOS Message Parser, potentially affecting users of the newly released operating system. If authentic, this exploit could pose significant risks to iOS 26 users.

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