Authenticated Local Buffer Overflow Vulnerability leads to Denial-of-Service in HPE Networking Instant On
Priority LOW 15CWE-119Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
A buffer overflow vulnerability exists in the underlying operating system of HPE Networking Instant On. Successful exploitation could allow a low-privilege authenticated local attacker to interrupt the normal operation of the affected service.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00093 0th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Hewlett Packard Enterprise (HPE) | Instant ON | 0.0.0.0 – 3.4.1.0 | — | No fix listed | CNA |
- Instant ON VendorHewlett Packard Enterprise (HPE) Affected 0.0.0.0 – 3.4.1.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-76736
- 2026-10-03 Alias added: GHSA-4xh7-mfrf-xh8q
References
More Hewlett Packard Enterprise (HPE) vulnerabilities
- TI-2025-25062 A remote code execution issue exists in HPE OneView. KEVCVSS 3.1CRITICAL 10.0
- TI-2017-03684 Improper privilege management in Intel Active Mangement Technology, Intel Small Business… KEVCVSS 3.1CRITICAL 9.8
- TI-2015-04610 Assertion failure in ISC BIND named via TKEY queries KEVCVSS 3.1HIGH 7.5
- TI-2024-35876 Path traversal in Hewlett Packard Enterprise (HPE) HPE Insight Remote Support CVSS 3.1CRITICAL 9.8
- TI-2020-05748 A security vulnerability in HPE Smart Update Manager (SUM) prior to version 8.5.6 could… CVSS 3.1CRITICAL 9.8
- TI-2024-35875 XML injection in Hewlett Packard Enterprise (HPE) HPE Insight Remote Support CVSS 3.1HIGH 7.5
Sources
- CVE-2026-76736 · CVE Program
- CVE-2026-76736 · NVD
- FIRST EPSS
- GHSA-4xh7-mfrf-xh8q · GitHub Advisory Database · CC BY 4.0
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