CVE-2026-31431: Copy Fail vulnerability enables Linux root privilege escalation across cloud environments

A high-severity Linux vulnerability, “Copy Fail” (CVE-2026-31431), enables root privilege escalation across cloud environments and Kubernetes workloads. With a working exploit already in the wild, organizations should act quickly to detect, mitigate, and reduce risk.


The post CVE-2026-31431: Copy Fail vulnerability enables Linux root privilege escalation across cloud environments appeared first on Microsoft Security Blog. 🔗 MS Infosec


https://www.microsoft.com/en-us/security/blog/2026/05/01/cve-2026-31431-copy-fail-vulnerability-enables-linux-root-privilege-escalation/?utm_source=dlvr.it&utm_medium=blogger