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

<p>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.</p>
<p>The post <a href="https://www.microsoft.com/en-us/security/blog/2026/05/01/cve-2026-31431-copy-fail-vulnerability-enables-linux-root-privilege-escalation/">CVE-2026-31431: Copy Fail vulnerability enables Linux root privilege escalation across cloud environments</a> appeared first on <a href="https://www.microsoft.com/en-us/security/blog">Microsoft Security Blog</a>.</p>


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<p><small>文章来源: <a href="https://www.microsoft.com/en-us/security/blog/2026/05/01/cve-2026-31431-copy-fail-vulnerability-enables-linux-root-privilege-escalation/" target="_blank">https://www.microsoft.com/en-us/security/blog/2026/05/01/cve-2026-31431-copy-fail-vulnerability-enables-linux-root-privilege-escalation/</a></small></p>