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

🗓️ 02 May 2026 03:06:08Reported by Microsoft Defender Security Research TeamType 
mssecure
 mssecure
🔗 www.microsoft.com👁 23 Views

CVE-2026-31431 enables local root escalation in Linux via a kernel crypto-subsystem bug affecting cloud workloads.

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02 May 2026 03:06Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.17.8
EPSS0.99907
SSVC
23