---
id: CVE-2026-76733
title: >-
  A denial-of-service vulnerability exists in the API endpoint of HPE Networking
  Instant On that could allow an authenticated attacker with administrative
  privileges to cause a denial of service
summary: >-
  A denial-of-service vulnerability exists in the API endpoint of HPE Networking
  Instant On that could allow an authenticated attacker with administrative
  privileges to cause a denial of service. Successful exploitation could allow
  an atta…
severity: medium
cvss: 4.9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-400
vendor: Hewlett Packard Enterprise (HPE)
product: Instant ON
affected:
  - instant_on >= 0.0.0.0 <= 3.4.1.0
published: '2026-09-29'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T21:17:14.847'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-76733'
references:
  - url: >-
      https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05150en_us&docLocale=en_US
    label: security-alert@hpe.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-30T18:24:30.858513Z'
epss: 0.0031
epssPercentile: 0.23686
ingestedAt: '2026-09-29T19:44:04.153Z'
---

## Overview

A denial-of-service vulnerability exists in the API endpoint of HPE Networking Instant On that could allow an authenticated attacker with administrative privileges to cause a denial of service. Successful exploitation could allow an attacker to interrupt the normal operation of the affected service, which resumes without manual intervention.

## Remediation

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