Unauthenticated Memory Corruption Vulnerability leads to Denial-of-Service in HPE Networking Instant On

published 2026-09-29 40 d ago modified 2026-09-30 39 d ago also EUVD-2026-89353

cvss: 4.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits: 0; none known

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.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 39 d ago (2026-09-30)

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.8	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L

Affected products

Hewlett Packard Enterprise (HPE) Instant ON

Classification

Weakness

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

support.hpe.com /hpesc/public/docDisplay?docId=hpesbnw05150en_us&docLocale=en_US

Sources

CVE List CVE-2026-76734
NVD CVE-2026-76734

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Summary