How severe is CVE-2026-46728?

CVE-2026-46728 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-46728 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-2026-46728?

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-2026-46728 have an EU (EUVD) identifier?

Yes. CVE-2026-46728 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30673.

When was CVE-2026-46728 published?

CVE-2026-46728 was published on 2026-05-16 and last updated on 2026-06-17.

CVE-2026-46728

CVE-2026-46728 is a high-severity vulnerability with a CVSS 3.x base score of 8.2. 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-346.

Key facts

Severity: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30673
Weakness: CWE-346
Published: 2026-05-16
Last modified: 2026-06-17

Description

Das U-Boot before 2026.04 allows FIT (Flat Image Tree) signature verification bypass because hashed-nodes is omitted from a hash.

Frequently asked questions

What is CVE-2026-46728?: Das U-Boot before 2026.04 allows FIT (Flat Image Tree) signature verification bypass because hashed-nodes is omitted from a hash.
How severe is CVE-2026-46728?: CVE-2026-46728 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-46728 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-2026-46728?: 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-2026-46728 have an EU (EUVD) identifier?: Yes. CVE-2026-46728 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30673.
When was CVE-2026-46728 published?: CVE-2026-46728 was published on 2026-05-16 and last updated on 2026-06-17.

References

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