{"id":"CVE-2026-76738","title":"A buffer overflow vulnerability exists in the API endpoint of HPE Networking Instant On that could allow an authenticated attacker with administrative privileges to cause a denial of service","summary":"A buffer overflow vulnerability exists in the API endpoint of HPE Networking Instant On that could allow an authenticated attacker with administrative privileges to cause a denial of service. Successful exploitation could allow an attack…","severity":"low","cvss":2.7,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","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-2026-76738","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":"2026-09-29T19:44:04.152Z","slug":"CVE-2026-76738","body":"## Overview\n\nA buffer overflow vulnerability exists in the API endpoint of HPE Networking Instant On that could allow an authenticated attacker with administrative privileges to cause a denial of service. Successful exploitation could allow an attacker to interrupt the normal operation of the affected service, which recovers without manual intervention.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":15,"depthScoreParts":{"impact":14.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}