Security researchers discover flaw in Apple’s Mac security using Mythos: WSJ
Calif said Claude Mythos Preview found bugs quickly and helped build an exploit that could give a local user full device access.
- Security researchers from Palo Alto-based Calif used Anthropic's Claude Mythos to discover what they called the 'first public macOS kernel memory corruption exploit on Apple M5,' publishing details Thursday in a blog post describing an exploit involving 'two vulnerabilities and several techniques' that grants unprivileged local users complete device access.
- Anthropic restricted Claude Mythos Preview to select partners including Apple because the AI model generalizes across bug classes; 'Mythos discovered the bugs quickly because they belong to known bug classes,' according to Calif's post.
- Apple's macOS Tahoe 26.5 release notes, published Monday, mention a fix for the bug Calif submitted in collaboration with Claude and Anthropic Research, with Calif referenced in two other vulnerability reports.
- An Apple spokesperson told The Wall Street Journal that 'security is our top priority, and we take reports of potential vulnerabilities very seriously,' yet it remains unclear whether the flaw has already been patched.
- The Calif discovery marks a milestone demonstrating Claude Mythos's real-world power as a restricted-access tool, suggesting future vulnerability identification may increasingly leverage AI models to accelerate security research across known bug classes.
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technewstube.com'This work is a glimpse of what is coming': Security team lays out how Anthropic Mythos helped build a working macOS exploit in five days
A product that took five years to build was broken into in five days, thanks to Mythos - and now Apple is working on a fix.
SCIENCE & TECH: ‘This work is a glimpse of what is coming’: Security team lays out how Anthropic Mythos helped build a working macOS exploit in five days
Calif researchers used Anthropic’s Mythos Preview to chain two bugs and techniques into a macOS kernel exploit on Apple M5 The exploit bypassed Apple’s new Memory Integrity Enforcement, achieving root shell in five days despite years of Apple investment Attack highlights Mythos’ power in surfacing unknown flaws; Apple is reportedly working on a fix Cybersecurity researchers Calif have explained how they used Anthropic’s (now) famed Mythos Previe…
Apple Reviews Reported Mac Security Vulnerability
Security researchers at California-based firm Calif discovered a flaw that could bypass Apple’s Mac security systems, according to a Wall Street Journal report. The vulnerability was reportedly identified while researchers tested an early version of Anthropic’s Mythos AI software in April. The report said attackers could exploit two software bugs and memory corruption techniques to gain access to restricted parts of Mac devices. Researchers clas…
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