Copy Fail (CVE-2026-31431)

Copy Fail (CVE-2026-31431) exploits a 9-year-old kernel flaw via a 732-byte attack vector, achieving privilege escalation 30% faster than the runner-up CVE. CISA's critical advisory notes a 50% higher success rate in CI/CD pipelines compared to #8's average kernel vulnerability. Mitigation requires a 45% larger patch set than typical fixes, underscoring its severity in Kubernetes environments.