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Public CVE-2026-53264 exploit turns an AI

Feeds.4Sysops •IT News • July 28, 2026

A publicly released exploit for Linux kernel CVE-2026-53264 can escalate a local user to root on compatible CentOS Stream 9 systems. AI helped identify the traffic-control race and refine the exploit, but unprivileged namespaces, specific kernel options, and a matching kernel build are still required. Source

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

AI-Driven Exploit for Linux Kernel Zero-Day CVE-2026-53264 Uncovered A zero-day vulnerability in the Linux kernel, tracked as CVE-2026-53264, has been disclosed, allowing local privilege escalation (LPE) through a use-after-free condition in the net/sched subsystem. Discovered by Lee Jia Jie from STAR Labs, the flaw was aided by AI tools that expedited both the identification and exploitation processes. The vulnerability requires specific kernel configurations and unprivileged user namespaces to be exploitable, affecting CentOS Stream 9 systems. The CVE was published on June 25, 2026, with a proof of concept released on July 28, 2026. The upstream fix was implemented on June 1, 2026, and has been backported to stable branches. Despite the AI assistance, the researcher noted that human expertise remains crucial for effective vulnerability analysis. The exploit showcases the increasing speed at which vulnerabilities can be weaponized, raising concerns for system administrators regarding patch management cycles. 6 sources 71

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Public CVE-2026-53264 exploit turns an AI

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