CVE-2026-76721
Unauthenticated Buffer Overflow Vulnerability leads to Remote Code Execution in HPE Networking Instant ON APs
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
Buffer overflow vulnerability exists in the affected interface of HPE Networking Instant ON that could allow an unauthenticated remote attacker to run arbitrary code on the underlying host. Successful exploitation could allow an attacker to execute arbitrary code as a privileged user on the underlying operating system.
| Vendor | hewlett packard enterprise (hpe) |
| Product | instant on |
| Published | Sep 29, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Hewlett Packard Enterprise (HPE) / Instant ON
0.0.0.0 ≤ 3.4.1.0
References
Credits
🔍 Internal security research (HPE Networking).