How severe is CVE-2026-2417?

CVE-2026-2417 has a CVSS 4.0 base score of 9.3, rated critical severity.

Is CVE-2026-2417 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-2417?

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

Does CVE-2026-2417 have an EU (EUVD) identifier?

Yes. CVE-2026-2417 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-14960.

When was CVE-2026-2417 published?

CVE-2026-2417 was published on 2026-03-24 and last updated on 2026-06-17.

CVE-2026-2417

CVE-2026-2417 is a critical-severity vulnerability with a CVSS 4.0 base score of 9.3. 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-306.

Key facts

Severity: Critical (CVSS 4.0 base score 9.3)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-14960
Weakness: CWE-306
Published: 2026-03-24
Last modified: 2026-06-17

Description

A Missing Authentication for Critical Function vulnerability in Pharos Controls Mosaic Show Controller firmware version 2.15.3 could allow an unauthenticated attacker to bypass authentication and execute arbitrary commands with root privileges.

Frequently asked questions

What is CVE-2026-2417?: A Missing Authentication for Critical Function vulnerability in Pharos Controls Mosaic Show Controller firmware version 2.15.3 could allow an unauthenticated attacker to bypass authentication and execute arbitrary commands with root privileges.
How severe is CVE-2026-2417?: CVE-2026-2417 has a CVSS 4.0 base score of 9.3, rated critical severity.
Is CVE-2026-2417 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-2417?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-2417 have an EU (EUVD) identifier?: Yes. CVE-2026-2417 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-14960.
When was CVE-2026-2417 published?: CVE-2026-2417 was published on 2026-03-24 and last updated on 2026-06-17.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-083-01

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