CVE-2026-76729: Hewlett Packard Enterprise (HPE) Instant ON · CWE-134
Affects Hewlett Packard Enterprise (HPE) Instant ONSource CVE Database V5
Not known to be exploited · CVSS 6.6 Medium.
Data as of 12 Nov 2026, 23:24 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 37% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 29 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Hewlett Packard Enterprise (HPE)Instant ON | Affected
| Fixed in– |
AI-suggested
Until a fix is available, restrict high-privilege access to the API endpoint to trusted administrators only.
Description
CVE-2026-76729 is a format string vulnerability in the API endpoint of Hewlett Packard Enterprise (HPE) Instant ON networking access points. It requires an authenticated attacker with high privileges to exploit. Successful exploitation could lead to memory corruption, potentially causing denial-of-service or remote code execution on the affected device. The vulnerability affects versions from 0.0.0.0 up to and including 3.4.1.0. The CVSS 3.1 base score is 6.6, indicating a medium severity level.