Bad Epoll (CVE-2026-46242): The New Linux Kernel Threat That Outsmarted AI

Bad Epoll (CVE-2026-46242) The New LInux Kernel Threat That Outsmarted AI

Introduction For years, the cybersecurity industry has increasingly relied on automated code analysis and AI-driven vulnerability scanners to secure open-source software. However, the discovery of the “Bad Epoll” vulnerability (CVE-2026-46242) in May 2026 proved that even the most advanced AI models have their limitations. Found deep within the Linux kernel’s fundamental epoll I/O framework, this Local Privilege Escalation (LPE) flaw allows a low-privileged attacker to bypass critical security