CVE-2026-76747 Unauthenticated Buffer Overflow Vulnerabilities lead to Information Disclosure in AOS-S
Unauthenticated remote attackers can exploit buffer overflows in HPE AOS-Switch to disclose sensitive memory and cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-76747?
CVE-2026-76747 is a critical memory corruption vulnerability in Hewlett Packard Enterprise (HPE) AOS-Switch (AOS-S), published on 6 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Buffer overflow vulnerabilities exist in the affected interface of AOS-S. Successful exploitation could allow an unauthenticated remote attacker to expose sensitive memory contents and cause a denial of service on the device.
Weakness: CWE-120
Which versions are affected by CVE-2026-76747?
How do I fix CVE-2026-76747?
No fix has been published for CVE-2026-76747 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-2026-76747 being exploited?
There is no known exploitation of CVE-2026-76747 in the wild and no public exploit code.
Sources
Also known as GHSA-jgvj-7684-4x9v.