Buffer Overflow Vulnerability in HPE Networking Instant On
CVE-2026-76736

3.3LOW

Key Information:

Vendor

HP (HP)

Status
Instant On
Vendor
CVE Published:
29 September 2026

What is CVE-2026-76736?

A buffer overflow vulnerability has been identified in the operating system of HPE Networking Instant On. This flaw could potentially allow authenticated local attackers with low privileges to disrupt the regular operation of the affected services. Such an exploit poses a significant risk by enabling unauthorized service interruption, impacting system reliability and performance.

Affected Version(s)

Instant ON 0.0.0.0 <= 3.4.1.0

References

https://support.hpe.com/hpesc/public/docDisplay?docId=hpe...

CVSS V3.1

Score:
3.3
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Internal security research (HPE Networking).
.