PatchTheCVECVE-2026-13466: Incorrect calculation of buffer size vulnerability in Altera Trusted Firmware on HPS allows Overflow Buffers.
CVE-2026-13466 is a high-severity flaw (CVSS 8.1) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 8.1 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 0.1% (top 99%) |
| CISA exploited list | No |
| Weakness | CWE-131 |
| Published | 2026-09-24 |
| Last modified | 2026-09-24 |
Last updated 2026-09-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-13466?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-13466 being exploited?
CVE-2026-13466 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-13466 affect?
CVE-2026-13466 affects affected software. Severity is high (CVSS 8.1). 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.
How urgent is CVE-2026-13466?
Priority 29/100. High severity