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#8 The Hacker News general June 19, 2026 at 15:30 UTC

AutoJack Attack Lets One Web Page Hijack AI Agent for Host Code Execution

By [email protected] (The Hacker News)

AI Summary

Microsoft researchers detailed 'AutoJack,' an exploit chain where a malicious web page loaded by an AI browsing agent can invoke a privileged local service via JavaScript and achieve host-level code execution — requiring no credentials or additional user interaction after initial page load. The attack demonstrates a new class of AI agent security risk where agentic browsing capabilities create unintended local privilege escalation paths.

Relevance score: 75.0/100

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