CVE-2026-58007 Unchecked SDM mailbox response address enables EL3 secure-memory corruption

High 8.3 Published Updated

Attackers can corrupt secure memory in Altera Trusted Firmware via unchecked mailbox responses, potentially executing code at EL3.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-58007?

CVE-2026-58007 is a high-severity memory corruption vulnerability in Altera Trusted Firmware, published on 24 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Untrusted pointer dereference vulnerability in Altera Trusted Firmware on HPS allows Exploitation of Improperly Configured or Implemented Memory Protections.

This issue affects Trusted Firmware: through socfpga_v2.14.0.

Weakness: CWE-822

Which versions are affected by CVE-2026-58007?

How do I fix CVE-2026-58007?

No fix has been published for CVE-2026-58007 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-58007 being exploited?

There is no known exploitation of CVE-2026-58007 in the wild and no public exploit code.

Sources

Also known as GHSA-6j58-5gjp-qccv.

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