CVE-2026-76734

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Memory Corruption in HPE Networking Instant On

Publication date: 2026-09-29

Last updated on: 2026-09-30

Assigner: Hewlett Packard Enterprise (HPE)

Description

A memory corruption vulnerability in the affected interface of HPE Networking Instant On could allow an unauthenticated remote attacker to conduct a denial of service attack. Successful exploitation could allow an attacker to interrupt the normal operation of the affected service and to access some limited information within the affected component.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-29

Last Modified

2026-09-30

Generated

2026-10-19

AI Q&A

2026-09-30

EPSS Evaluated

2026-10-18

NVD

CVE-2026-76734

EUVD

EUVD-2026-89353

Affected Vendors & Products

Vendor	Product	Version / Range
hpe	networking_instant_on	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-119	The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Attack-Flow Graph

Executive Summary

This is a memory corruption vulnerability in HPE Networking Instant On's interface. It allows an unauthenticated remote attacker to cause a denial of service by disrupting the normal operation of the affected service. The attacker may also gain access to limited information within the affected component.

Detection Guidance

This vulnerability involves memory corruption in HPE Networking Instant On. Detection may require monitoring for unusual service interruptions or crashes in the affected interface. Check HPE documentation for specific logs or indicators related to this CVE.

Impact Analysis

The vulnerability could lead to service disruption, causing downtime for networks using HPE Networking Instant On. An attacker might access some limited data, though the impact is constrained. The overall risk is moderate due to the need for specific conditions to exploit it.

Compliance Impact

This vulnerability could potentially impact compliance with GDPR and HIPAA by allowing unauthorized access to limited information within the affected component. A denial of service attack may also disrupt normal operations, which could interfere with data processing activities subject to these regulations.

Mitigation Strategies

Apply the latest security patches or updates provided by HPE for the affected HPE Networking Instant On interface. Monitor network traffic for unusual activity and restrict access to the vulnerable interface if possible.

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