CVE-2026-76731: Hewlett Packard Enterprise (HPE) Instant ON · Improper Privilege Management
Affects Hewlett Packard Enterprise (HPE) Instant ONSource CVE Database V5
Not known to be exploited · CVSS 6.5 Medium.
Data as of 12 Nov 2026, 23:24 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 24% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NExploitation 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
Users should monitor HPE advisories for updates and apply patches once available.
Description
CVE-2026-76731 is an authentication bypass vulnerability in the captive portal of Hewlett Packard Enterprise (HPE) Networking Instant On. It allows an unauthenticated remote attacker to circumvent authentication controls, potentially gaining limited access to some data and making limited changes within the affected component. The vulnerability affects versions up to and including 3.4.1.0. The CVSS 3.1 base score is 6.5, indicating a medium severity level.