How severe is CVE-2026-42467?

CVE-2026-42467 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-42467 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-42467?

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

Does CVE-2026-42467 have an EU (EUVD) identifier?

Yes. CVE-2026-42467 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26695.

When was CVE-2026-42467 published?

CVE-2026-42467 was published on 2026-05-01 and last updated on 2026-06-17.

CVE-2026-42467

CVE-2026-42467 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. 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-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26695
Weakness: CWE-400
Published: 2026-05-01
Last modified: 2026-06-17

Description

An issue was discovered in Open-SAE-J1939 thru commit b6caf884df46435e539b1ecbf92b6c29b345bdfe (2025-11-30) in SAE_J1939_Read_Binary_Data_Transfer_DM16 causing a denial of service via crafted CAN frame on the J1939 bus.

Frequently asked questions

What is CVE-2026-42467?: An issue was discovered in Open-SAE-J1939 thru commit b6caf884df46435e539b1ecbf92b6c29b345bdfe (2025-11-30) in SAE_J1939_Read_Binary_Data_Transfer_DM16 causing a denial of service via crafted CAN frame on the J1939 bus.
How severe is CVE-2026-42467?: CVE-2026-42467 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-42467 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-42467?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-42467 have an EU (EUVD) identifier?: Yes. CVE-2026-42467 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26695.
When was CVE-2026-42467 published?: CVE-2026-42467 was published on 2026-05-01 and last updated on 2026-06-17.

References

https://gist.github.com/sgInnora/f4ac66faeefe07a653ceeb3f58cdc381

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