{"id":"CVE-2026-76721","title":"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","summary":"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…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","vendor":"Hewlett Packard Enterprise (HPE)","product":"Instant ON","affected":["instant_on >= 0.0.0.0 <= 3.4.1.0"],"published":"2026-09-29","updated":"2026-09-29","sourceUpdated":"2026-09-29T21:39:02.570","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-76721","references":[{"url":"https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05150en_us&docLocale=en_US","label":"security-alert@hpe.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-29T19:44:04.158Z","slug":"CVE-2026-76721","body":"## Overview\n\nBuffer 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}