Hewlett Packard EnterpriseCVE-2026-76721
Hewlett Packard Enterprise Instant ON: buffer overflow
Critical9.8CVE-2026-76721 · Published Sep 29, 2026 · updated Sep 30, 2026
Buffer overflow vulnerability exists in the affected interface of HPE Networking Instant ON that could allow an unauthenticated remote attacker to run arbitrary code on the underlying host. Successful exploitation could allow an attacker to execute arbitrary code as a privileged user on the underlying operating system.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Instant ON Product | >= 0.0.0.0, <= 3.4.1.0 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-119
More Hewlett Packard Enterprise advisories
All Hewlett Packard Enterprise| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 29 | Hewlett Packard Enterprise Instant ON: buffer overflow | Low3.3 | No fix yet |
| Sep 29 | Hewlett Packard Enterprise Instant ON: path traversal | Low3.0 | No fix yet |
| Sep 29 | Hewlett Packard Enterprise Instant ON: buffer overflow | Low2.7 | No fix yet |
| Sep 29 | Hewlett Packard Enterprise Instant ON: memory corruption | Medium6.6 | No fix yet |
| Sep 29 | Hewlett Packard Enterprise Instant ON: authentication bypass | Medium6.5 | No fix yet |
| Sep 29 | Hewlett Packard Enterprise Instant ON: authentication bypass | Medium6.5 | No fix yet |