CVE-2026-13466: Intel Altera Trusted Firmware buffer overflow in HPS

CVE-2026-13466 · Severity: high · CVSS 8.1 · Published 2026-09-24

Intel Altera Trusted Firmware contains a buffer overflow vulnerability in the Hardware Platform Services (HPS) component due to incorrect buffer size calculation. An attacker with network or local access could exploit this to overflow memory buffers, potentially achieving code execution or system compromise on devices running affected firmware versions.

Technologies: Intel Altera Trusted Firmware. Vendors: Intel.

Quick answers

Is CVE-2026-13466 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-13466 being exploited in the wild.
How severe is CVE-2026-13466?
High severity, with a CVSS score of 8.1, published 24 September 2026.
Which products and versions are affected?
Intel Altera Trusted Firmware through socfpga_v2.14.0.
Is there a fix for CVE-2026-13466?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-13466 attacked?
It is attacked over the network or with local access.
Am I affected by CVE-2026-13466?
Check whether you run Intel Altera Trusted Firmware at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A buffer overflow vulnerability exists in Altera Trusted Firmware's HPS component caused by improper calculation of buffer sizes, allowing an attacker to write data beyond allocated buffer boundaries. The vulnerability affects Trusted Firmware versions through socfpga_v2.14.0 and could be exploited to achieve arbitrary code execution or information disclosure depending on attack vector and memory layout.

Affected products

  • Intel Altera Trusted Firmware through socfpga_v2.14.0

Timeline

  • 2026-09-24: disclosed

References

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