CVE-2026-54467

7.0 highEPSS 0.2%

High (7.0). EPSS 0.2% chance of exploitation in the next 30 days.

On the Trusted Firmware-M (TF-M) 2 through 2.3.0 platform before 00d1b3e, mailbox initialization on PSOC64 and RP2350 accepts a non-secure, unvalidated, supplied pointer.

Severity

CVSS 3.1

7.0 high

CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 6% of CVEs (scores of 2026-10-31)
CWE: CWE-283
Published: 2026-08-26
Modified: 2026-09-09
Record from: the NVD, synced 2026-10-19

References

https://review.trustedfirmware.org/c/TF-M/trusted-firmware-m/+/53051/1/docs/security/security_advisories/missing_ns_pointer_validation_mailbox_init.rst#58
https://www.trustedfirmware.org/projects/tf-m/

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