Claude Mythos chains a CVSS 9.8 remote code execution exploit for CVE-2026-39962 in the Linux MPTCP stack, Microsoft analyzes a tampered Claude Code extension on Cursor, and Apple warns spyware targets in 100+ countries.
By Lazy Tensor3 min read
Security disclosures on Oct. 30 spanned Anthropic’s autonomous exploitation of Linux kernel vulnerability CVE-2026-39962, Microsoft’s forensic breakdown of a tampered Cursor extension, new Microsoft Teams cross-tenant controls, and mobile hardware defenses.
