High severity · published Aug 26, 2026
CVE-2026-54467
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
7.0
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Physical
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TF
Trusted Firmware-M · TrustedFirmware
before 00d1b3e716dc636f7ad4398980ae55427dc1731d · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-54467
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-54467
review.trustedfirmware.org
https://review.trustedfirmware.org/c/TF-M/trusted-firmware-m/+/53051/1/docs/security/security_advisories/missing_ns_pointer_validation_mailbox_init.rst#58
www.trustedfirmware.org
https://www.trustedfirmware.org/projects/tf-m/
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