Vulnerability · Published Oct 6, 2026 · Assigned by hpe
CVE-2026-76746Unauthenticated Adjacent Buffer Overflow Vulnerability Leading to Information Disclosure in AOS-S
Critical 9.3
In plain English
A critical-severity buffer overflow in AOS-Switch (AOS-S) from Hewlett Packard Enterprise (HPE). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).
Severity (CVSS 3.1)9.3Critical
Exploit odds (30 days)0.2%top 90.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An unauthenticated buffer overflow vulnerability exists in AOS-S. Successful exploitation could allow an unauthenticated adjacent attacker to expose sensitive memory contents and cause a denial of service on the affected device.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Hewlett Packard Enterprise (HPE) | AOS-Switch (AOS-S) | 16.11.0000 – through 16.11.0031 |
Weakness: CWE-120 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H