What is CVE-2026-79826?

CVE-2026-79826 is a high-severity vulnerability in Hewlett Packard Enterprise HPE Nonstop Ocax, classified under Heap-based Buffer Overflow. CVSS score: 7.1/10. Published 2026-10-15.

How severe is CVE-2026-79826?

High severity. CVSS v3 base score is 7.1 out of 10.

Buffer overflow in Hewlett Packard Enterprise HPE Nonstop Ocax

CVE-2026-79826

A heap buffer overflow in HPE NonStop OCAX could corrupt address space and may potentially redirect execution flow.

Vulnerability class: Buffer Overflow

Published 2026-10-15 · last modified 2026-10-15.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/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.

Affected products

Hewlett Packard Enterprise HPE Nonstop Ocax — versions T0892L01^AAP and earlier

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

support.hpe.com/hpesc/public/docDisplay

Frequently asked questions

What is CVE-2026-79826?: CVE-2026-79826 is a high-severity vulnerability in Hewlett Packard Enterprise HPE Nonstop Ocax, classified under Heap-based Buffer Overflow. CVSS score: 7.1/10. Published 2026-10-15.
How severe is CVE-2026-79826?: High severity. CVSS v3 base score is 7.1 out of 10.