Zero-Day Vulnerability Report June 2026

Zero-day vulnerabilities are notoriously hard to catch before attackers start exploiting them, including the ones now emerging in AI and LLM-powered applications. AppTrana closes that gap, detecting and blocking these threats automatically, the moment they surface. This report covers 400 zero-day vulnerabilities disclosed in June 2026, including Agentic AI & LLM risks like prompt injection and RAG data exposure, every one blocked by AppTrana's defult rule set with 100% coverage.