CVE-2026-76661 HPE NonStop QIOMON - Memory corruption vulnerability
An out-of-bounds write in HPE NonStop QIOMON allows attackers to corrupt buffer data, potentially leading to code execution or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-76661?
CVE-2026-76661 is a high-severity memory corruption vulnerability in Hewlett Packard Enterprise HPE NonStop QIOMON, published on 15 Oct 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A vulnerability in HPE NonStop QIOMON allows an out-of-bounds write that can corrupt buffer data.
Weakness: CWE-20
Which versions are affected by CVE-2026-76661?
How do I fix CVE-2026-76661?
No fix has been published for CVE-2026-76661 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-2026-76661 being exploited?
There is no known exploitation of CVE-2026-76661 in the wild and no public exploit code.
Sources
Also known as GHSA-6hvh-xvxj-cjhj.