CVE-2026-76729
Authenticated Format String Vulnerability allows Memory Corruption in HPE Networking Instant ON API Endpoint
CVSS Score
6.6
EPSS Score
0.0%
EPSS Percentile
0th
A format string vulnerability in the API endpoint of HPE Networking Instant ON APs could allow an authenticated remote attacker with high privileges to cause memory corruption with a modified input. Successful exploitation could allow an attacker to provoke a denial-of-service condition or remote code execution in the affected system function.
| Vendor | hewlett packard enterprise (hpe) |
| Product | instant on |
| Published | Sep 29, 2026 |
Stay Ahead of the Next One
Get instant alerts for hewlett packard enterprise (hpe) instant on
Be the first to know when new medium vulnerabilities affecting hewlett packard enterprise (hpe) instant on are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
High
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).