CVE-2025-27087

MEDIUMNVD 5.55.5—

5.5

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

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 24.8%
KEV: Not listed

Published

April 22, 2025

Last Modified

April 15, 2026

References (1)

security-alert@hpehttps://support.hpe.com/hpesc/public/docDisplay?docId=hpesbcr04838en_us&docLocale=en_US

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-400Uncontrolled Resource Consumption (Denial of Service)

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-06 13:47 UTCepss_batch
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Frequently asked(5)

What is CVE-2025-27087?

CVE-2025-27087 is a medium vulnerability published on April 22, 2025. A vulnerability in the kernel of the Cray Operating System (COS) could allow an attacker to perform a local Denial of Service (DoS) attack.

When was CVE-2025-27087 disclosed?

CVE-2025-27087 was first published in the National Vulnerability Database on April 22, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-27087 actively exploited?

CVE-2025-27087 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 24.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-27087?

CVE-2025-27087 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2025-27087?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-27087, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2025-27087

📅 Published

🔄 Last Modified

🔗 References (1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-27087?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (1)

Frequently asked(5)

Related CVEs(same CWE)