How severe is CVE-2026-2539?

CVE-2026-2539 has a CVSS 4.0 base score of 5.7, rated medium severity.

Is CVE-2026-2539 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-2026-2539?

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

Does CVE-2026-2539 have an EU (EUVD) identifier?

Yes. CVE-2026-2539 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5832.

When was CVE-2026-2539 published?

CVE-2026-2539 was published on 2026-02-15 and last updated on 2026-06-17.

CVE-2026-2539

CVE-2026-2539 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.7. 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-319.

Key facts

Severity: Medium (CVSS 4.0 base score 5.7)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-5832
Weakness: CWE-319
Published: 2026-02-15
Last modified: 2026-06-17

Description

The RF communication protocol in the Micca KE700 car alarm system does not encrypt its data frames. An attacker with a radio interception tool (e.g., SDR) can capture the random number and counters transmitted in cleartext, which is sensitive information required for authentication.

Frequently asked questions

What is CVE-2026-2539?: The RF communication protocol in the Micca KE700 car alarm system does not encrypt its data frames. An attacker with a radio interception tool (e.g., SDR) can capture the random number and counters transmitted in cleartext, which is sensitive information required for authentication.
How severe is CVE-2026-2539?: CVE-2026-2539 has a CVSS 4.0 base score of 5.7, rated medium severity.
Is CVE-2026-2539 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-2026-2539?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-2539 have an EU (EUVD) identifier?: Yes. CVE-2026-2539 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5832.
When was CVE-2026-2539 published?: CVE-2026-2539 was published on 2026-02-15 and last updated on 2026-06-17.

References

https://asrg.io/security-advisories/cve-2026-2539-micca-ke700-cleartext-transmission-of-key-fob-id/

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