Vulnerability · Published Sep 24, 2026 · Assigned by Altera
CVE-2026-58004Crafted oversized firmware image causes EL3 stack overflow during VAB authentication on Trusted Firmware.
High 8.1
In plain English
A high-severity out-of-bounds read in Trusted Firmware from Altera. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.1%top 98.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Out-of-bounds read vulnerability in Altera Trusted Firmware on HPS allows Privilege Escalation and Overflow Buffers. This issue affects Trusted Firmware: through socfpga_v2.14.0.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Altera | Trusted Firmware | 0 – through socfpga_v2.14.0 |
Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H