Security researchers have uncovered a severe zero-click remote code execution vulnerability in Claude Desktop Extensions that allows attackers to silently compromise user systems. The flaw exploits how Claude’s unsandboxed extensions process external data, raising serious concerns about the security of AI-driven desktop agents.

Anthropic’s new Claude Cowork AI tool — capable of automating complex business tasks — spooked investors in February 2026, leading to sharp sell-offs in Indian IT and SaaS stocks.

Claude now lives in the browser with a new Chrome extension, offering real-time AI help for reading, writing, and research across the web.