CVE-2026-76665 HPE NonStop EXPAND - Buffer Overflow vulnerability

High 7.1 Published Updated

An out-of-bounds memory read in HPE NonStop EXPAND can lead to buffer overflow, potentially allowing code execution or denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-76665?

CVE-2026-76665 is a high-severity memory corruption vulnerability in Hewlett Packard Enterprise HPE NonStop EXPAND, published on 15 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A security vulnerability in HPE NonStop EXPAND may cause out-of-bounds memory read resulting in buffer overflow.

Weakness: CWE-125

Which versions are affected by CVE-2026-76665?

How do I fix CVE-2026-76665?

No fix has been published for CVE-2026-76665 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-76665 being exploited?

There is no known exploitation of CVE-2026-76665 in the wild and no public exploit code.

Sources

Also known as GHSA-qfg8-xghr-gjxw.

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