CVE-2025-27087: Hewlett Packard Enterprise HPE HPE Cray Operating System Cos

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability in the kernel of the Cray Operating System (COS) could allow an attacker to perform a local Denial of Service (DoS) attack.

Affected products

• Hewlett Packard Enterprise HPE HPE Cray Operating System Cos

Published 2025-04-22. Last modified 2026-06-17.