How severe is CVE-2025-27087?

CVE-2025-27087 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-27087 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-27087?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-27087 have an EU (EUVD) identifier?

Yes. CVE-2025-27087 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12202.

When was CVE-2025-27087 published?

CVE-2025-27087 was published on 2025-04-22 and last updated on 2026-06-17.

CVE-2025-27087

CVE-2025-27087 is a medium-severity vulnerability with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-12202
Weakness: CWE-400
Published: 2025-04-22
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2025-27087?: A vulnerability in the kernel of the Cray Operating System (COS) could allow an attacker to perform a local Denial of Service (DoS) attack.
How severe is CVE-2025-27087?: CVE-2025-27087 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-27087 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-27087?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-27087 have an EU (EUVD) identifier?: Yes. CVE-2025-27087 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12202.
When was CVE-2025-27087 published?: CVE-2025-27087 was published on 2025-04-22 and last updated on 2026-06-17.

References

https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbcr04838en_us&docLocale=en_US

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