Vulnerability · Published Aug 26, 2026 · Assigned by mitre
CVE-2026-54467
High 7.0
In plain English
A high-severity security flaw in Trusted Firmware-M from TrustedFirmware. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Severity (CVSS 3.1)7.0High
Exploit odds (30 days)0.2%top 93.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | arm-trusted-firmware | no fix listed | UBUNTU-CVE-2026-54467 |
| Ubuntu:24.04:LTS | arm-trusted-firmware | no fix listed | UBUNTU-CVE-2026-54467 |
| Ubuntu:26.04:LTS | arm-trusted-firmware | no fix listed | UBUNTU-CVE-2026-54467 |
| Ubuntu:26.10 | arm-trusted-firmware | no fix listed | UBUNTU-CVE-2026-54467 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| TrustedFirmware | Trusted Firmware-M | 0 – before 00d1b3e716dc636f7ad4398980ae55427dc1731d |
Weakness: CWE-283 · Vector: CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H