Is CVE-2025-66538 being actively exploited?

It is not currently listed in CISA's Known Exploited Vulnerabilities catalog, and no EPSS exploit-prediction score is available yet.

How do I fix CVE-2025-66538?

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

Yes. CVE-2025-66538 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201346.

CVE-2025-66538 was published on 2025-12-05.

CVE-2025-66538 is a security vulnerability that is still awaiting full analysis and scoring.

Rejected reason: Not used

What is CVE-2025-66538?: Rejected reason: Not used
Is CVE-2025-66538 being actively exploited?: It is not currently listed in CISA's Known Exploited Vulnerabilities catalog, and no EPSS exploit-prediction score is available yet.
How do I fix CVE-2025-66538?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-66538 have an EU (EUVD) identifier?: Yes. CVE-2025-66538 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201346.
When was CVE-2025-66538 published?: CVE-2025-66538 was published on 2025-12-05.