September 12, 2026
- ShieldCrash — Dark Reading reports that Nightmare-Eclipse published another claimed Windows Defender zero-day exploit. This establishes public exploit availability, not active exploitation, and is distinct from ShieldBreak/CVE-2026-69414 (earlier coverage). · New Tools & Releases
in Researchers Tie OpenAI’s Agent Swarm to a 2,000-Package RubyGems Attack