CVE-2026-46331 pedit COW Exploit Precondition: Unprivileged Userns or act_pedit Mitigation Tampering

Ibrahim Saud@tektrix

•updated Jun 27, 2026•0•0•3

Detects host-level configuration changes indicative of preparing a system for the CVE-2026-46331 pedit COW exploit. This includes enabling unprivileged user namespaces via sysctl and disabling security mitigations or removing the act_pedit kernel module.