Researchers craft a kernel exploit on Apple's M5 chips, with help from Mythos.

This briefing reports three stories: researchers disclosed the first public macOS kernel memory-corruption exploit for Apple’s M5 chips (a local data-only kernel privilege escalation chain against macOS 26.4.1 that bypasses hardware Memory Integrity Enforcement, developed with AI assistance and coordinated disclosure to Apple), Santa Clara County filed a lawsuit accusing Meta of permitting scam ads to profit the company, and the administration is reportedly considering an IBM security executive as a nominee for CISA director.