How severe is CVE-2025-1865?

CVE-2025-1865 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-1865 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-1865?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-1865 have an EU (EUVD) identifier?

Yes. CVE-2025-1865 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9721.

When was CVE-2025-1865 published?

CVE-2025-1865 was published on 2025-04-04 and last updated on 2026-06-17.

CVE-2025-1865

CVE-2025-1865 is a high-severity vulnerability with a CVSS 3.x base score of 7.8. 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-284.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 8.5
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-9721
Weakness: CWE-284
Published: 2025-04-04
Last modified: 2026-06-17

Description

The kernel driver, accessible to low-privileged users, exposes a function that fails to properly validate the privileges of the calling process. This allows creating files at arbitrary locations with full user control, ultimately allowing for privilege escalation to SYSTEM.

Frequently asked questions

What is CVE-2025-1865?: The kernel driver, accessible to low-privileged users, exposes a function that fails to properly validate the privileges of the calling process. This allows creating files at arbitrary locations with full user control, ultimately allowing for privilege escalation to SYSTEM.
How severe is CVE-2025-1865?: CVE-2025-1865 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-1865 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-1865?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-1865 have an EU (EUVD) identifier?: Yes. CVE-2025-1865 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9721.
When was CVE-2025-1865 published?: CVE-2025-1865 was published on 2025-04-04 and last updated on 2026-06-17.

References

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