How severe is CVE-2025-37735?

CVE-2025-37735 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-37735 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-37735?

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-2025-37735 have an EU (EUVD) identifier?

Yes. CVE-2025-37735 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37984.

When was CVE-2025-37735 published?

CVE-2025-37735 was published on 2025-11-06 and last updated on 2026-06-17.

CVE-2025-37735

CVE-2025-37735 is a high-severity vulnerability with a CVSS 3.x base score of 7.0. 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-281.

Key facts

Severity: High (CVSS 3.x base score 7.0)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-37984
Weakness: CWE-281
Published: 2025-11-06
Last modified: 2026-06-17

Description

Improper preservation of permissions in Elastic Defend on Windows hosts can lead to arbitrary files on the system being deleted by the Defend service running as SYSTEM. In some cases, this could result in local privilege escalation.

Frequently asked questions

What is CVE-2025-37735?: Improper preservation of permissions in Elastic Defend on Windows hosts can lead to arbitrary files on the system being deleted by the Defend service running as SYSTEM. In some cases, this could result in local privilege escalation.
How severe is CVE-2025-37735?: CVE-2025-37735 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-37735 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-37735?: 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-2025-37735 have an EU (EUVD) identifier?: Yes. CVE-2025-37735 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37984.
When was CVE-2025-37735 published?: CVE-2025-37735 was published on 2025-11-06 and last updated on 2026-06-17.

References

https://discuss.elastic.co/t/elastic-defend-8-19-6-9-1-6-and-9-2-0-security-update-esa-2025-23/383272

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