How severe is CVE-2026-76729?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Vulnerability in Hewlett Packard Enterprise (HPE) Instant On

CVE-2026-76729

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.

Published 2026-09-29 · last modified 2026-09-29.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Hewlett Packard Enterprise (HPE) Instant On

References

support.hpe.com/hpesc/public/docDisplay

Frequently asked questions

What is CVE-2026-76729?: CVE-2026-76729 is a medium-severity vulnerability in Hewlett Packard Enterprise (HPE) Instant On. CVSS score: 6.6/10. Published 2026-09-29.
How severe is CVE-2026-76729?: Medium severity. CVSS v3 base score is 6.6 out of 10.