MacOS 26.4.1 is a technology platform tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed May 15, 2026; most recent activity May 15, 2026.
Researchers from Calif, a Palo Alto-based cybersecurity startup, successfully exploited Apple's Memory Integrity Enforcement (MIE) on the M5 chip within a week using Anthropic's AI model, Claude Mythos. The exploit…