---
id: CVE-2026-76746
title: An unauthenticated buffer overflow vulnerability exists in AOS-S
summary: >-
  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.
severity: critical
cvss: 9.3
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H'
vendor: Hewlett Packard Enterprise (HPE)
product: AOS-Switch (AOS-S)
affected:
  - aos-switch_aos-s >= 16.11.0000 <= 16.11.0031
published: '2026-10-06'
updated: '2026-10-06'
sourceUpdated: '2026-10-06T20:17:29.957'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-76746'
references:
  - url: >-
      https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05156en_us&docLocale=en_US
    label: security-alert@hpe.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-06T20:16:42.510Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.