Quick answers
- Is CVE-2026-76729 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-76729 being exploited in the wild.
- How severe is CVE-2026-76729?
- Medium severity, with a CVSS score of 6.6, published 29 September 2026.
- Which products and versions are affected?
- HPE Networking Instant ON APs.
- Is there a fix for CVE-2026-76729?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-76729 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-76729?
- Check whether you run Hpe Networking Instant ON APs. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A format string vulnerability exists in the API endpoint of HPE Networking Instant ON APs, exploitable by authenticated remote attackers with high privileges through modified API input. The vulnerability can result in memory corruption leading to either denial-of-service conditions or remote code execution within the affected system function. The attack requires high-privilege authentication but no additional user interaction.
Affected products
- HPE Networking Instant ON APs
Timeline
- 2026-09-29: disclosed