CVE-2026-76741: HPE AOS-S buffer overflow in remote interface

CVE-2026-76741 · Severity: medium · CVSS 6.5 · Published 2026-10-06

HPE AOS-S is a network operating system used in switching and networking equipment. A buffer overflow vulnerability in a remote-facing interface allows authenticated attackers to crash the system, causing a denial of service and network outages until the device is recovered.

Technologies: Hpe AOS-S. Vendors: Hpe.

Quick answers

Is CVE-2026-76741 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-76741 being exploited in the wild.
How severe is CVE-2026-76741?
Medium severity, with a CVSS score of 6.5, published 6 October 2026.
Which products and versions are affected?
HPE AOS-S.
Is there a fix for CVE-2026-76741?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-76741 attacked?
It is attacked over the network, in an operating system.
Am I affected by CVE-2026-76741?
Check whether you run Hpe AOS-S. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A buffer overflow exists in an affected interface of AOS-S, exploitable via an authenticated remote vector. Successful exploitation causes a denial-of-service condition on the affected device. The vulnerability requires valid credentials to trigger.

Affected products

  • HPE AOS-S

Timeline

  • 2026-10-06: disclosed

References

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