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Vulnerabilities

Vulnerability · 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.

Published Nov 6, 2025 · catalog updated Feb 26, 2026 · Elastic Kibana

Last checked Oct 24, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-37735. EPSS is 0.14%. Act only if a listed version of Elastic Kibana is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.14%
Remediation
Advisory link
Affected products
vendor Elastic Kibana 9.0.0 ≤9.1.5

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Elastic Kibana 9.0.0 ≤9.1.59.0.0 ≤9.1.5

How to fix CVE-2025-37735

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-37735. EPSS is 0.14%. Act only if a listed version of Elastic Kibana is installed.

Which versions are affected?

Compare what you have installed with Elastic Kibana 9.0.0 ≤9.1.5 9.0.0 ≤9.1.5. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.14%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Windows security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 6, 2025 · EUVD

    Detected

    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.

  2. Feb 26, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-37735

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-37735

    30-day exploitation probability 0.14%

    first.org
  • EUVDVulnerability recordEUVD-2025-37984

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 24, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgOct 24, 2026
  • FIRST EPSSOct 24, 2026
  • EUVDOct 24, 2026