# CVE-2026-54467

## Summary

- **CVE ID:** CVE-2026-54467
- **Severity:** HIGH
- **CVSS Score:** 7 (CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H)
- **CWE:** CWE-283
- **Published:** Aug 26, 2026
- **Last Modified:** Aug 26, 2026

## Description

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.

## Affected Products

- TrustedFirmware — Trusted Firmware-M (0)

## References

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.15%
- **EPSS Percentile:** 4.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-09._