How severe is CVE-2026-24830?

CVE-2026-24830 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-24830 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-24830?

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-2026-24830 have an EU (EUVD) identifier?

Yes. CVE-2026-24830 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4840.

When was CVE-2026-24830 published?

CVE-2026-24830 was published on 2026-01-27 and last updated on 2026-06-17.

CVE-2026-24830

CVE-2026-24830 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. 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-190.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-4840
Weakness: CWE-190
Published: 2026-01-27
Last modified: 2026-06-17

Description

Integer Overflow or Wraparound vulnerability in Ralim IronOS.This issue affects IronOS: before v2.23-rc2.

Frequently asked questions

What is CVE-2026-24830?: Integer Overflow or Wraparound vulnerability in Ralim IronOS.This issue affects IronOS: before v2.23-rc2.
How severe is CVE-2026-24830?: CVE-2026-24830 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-24830 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-24830?: 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-2026-24830 have an EU (EUVD) identifier?: Yes. CVE-2026-24830 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4840.
When was CVE-2026-24830 published?: CVE-2026-24830 was published on 2026-01-27 and last updated on 2026-06-17.

References

https://github.com/Ralim/IronOS/pull/2083

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