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Medium 6.6Published Sep 29, 2026

CVE-2026-76729Authenticated Format String Vulnerability allows Memory Corruption in HPE Networking Instant ON API Endpoint

Updated under an hour ago ()

Does this affect you?

It affects Hewlett Packard Enterprise (HPE) Instant ON. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
6.6 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-134
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
hpe
NVD analysis
Awaiting Analysis
Record last updated
Oct 1, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Hewlett Packard Enterprise (HPE) Instant ON
hewlett_packard_enterprise_hpe:instant_on (from the name)
from 0.0.0.0 through 3.4.1.0
CNA record

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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