What is CVE-2026-13466?

CVE-2026-13466 is a high-severity vulnerability, classified under Incorrect Calculation of Buffer Size. CVSS score: 8.1/10. Published 2026-09-24.

How severe is CVE-2026-13466?

High severity. CVSS v3 base score is 8.1 out of 10.

CVE-2026-13466

CVE-2026-13466

Incorrect calculation of buffer size vulnerability in Altera Trusted Firmware on HPS allows Overflow Buffers. This issue affects Trusted Firmware: through socfpga_v2.14.0.

Published 2026-09-24 · last modified 2026-09-24.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Weakness classification (CWE)

CWE-131 — Incorrect Calculation of Buffer Size

References

04c0172e-9735-4a9d-a92a-fe01fa863447

Frequently asked questions

What is CVE-2026-13466?: CVE-2026-13466 is a high-severity vulnerability, classified under Incorrect Calculation of Buffer Size. CVSS score: 8.1/10. Published 2026-09-24.
How severe is CVE-2026-13466?: High severity. CVSS v3 base score is 8.1 out of 10.