---
title: "CVE-2026-13466: Altera Trusted Firmware - Buffer Overflow"
description: "Altera Trusted Firmware <= socfpga_v2.14.0 contains a buffer overflow caused by incorrect calculation of buffer size in HPS, letting attackers overflow buffers, exploit requires crafted input."
url: https://panop.io/threat-heartbeat/CVE-2026-13466/
---

# CVE-2026-13466 Altera Trusted Firmware - Buffer Overflow

Altera Trusted Firmware <= socfpga\_v2.14.0 contains a buffer overflow caused by incorrect calculation of buffer size in HPS, letting attackers overflow buffers, exploit requires crafted input.

CVSS base score 8.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.11% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-13466)

## Details

Type

Buffer Overflow

Impact

Buffer Overflow

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H

Published

24 September 2026

Updated

15 October 2026

Weakness

[CWE-131](https://cwe.mitre.org/data/definitions/131.html)

## Vendor fix

Update to the latest version beyond socfpga\_v2.14.0.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-13466](https://nvd.nist.gov/vuln/detail/CVE-2026-13466)
- [https://www.altera.com/product-security/advisory/asa-0006](https://www.altera.com/product-security/advisory/asa-0006)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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