{"id":"CVE-2026-76736","aliases":["EUVD-2026-89355","GHSA-4xh7-mfrf-xh8q"],"status":"published","title":"Authenticated Local Buffer Overflow Vulnerability leads to Denial-of-Service in HPE Networking Instant On","description":"A buffer overflow vulnerability exists in the underlying operating system of HPE Networking Instant On. Successful exploitation could allow a low-privilege authenticated local attacker to interrupt the normal operation of the affected service.","severity":{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00093,"percentile":0.00529,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2026-09-29T19:28:54Z","modified":"2026-09-30T21:32:04Z","products":[{"vendor":"hewlett packard enterprise (hpe)","product":"instant on"}],"references":[{"url":"https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05150en_us\u0026docLocale=en_US"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76736"},{"url":"https://github.com/advisories/GHSA-4xh7-mfrf-xh8q"}],"sources":{"cve":[{"id":"CVE-2026-76736","title":"Authenticated Local Buffer Overflow Vulnerability leads to Denial-of-Service in HPE Networking Instant On","description":"A buffer overflow vulnerability exists in the underlying operating system of HPE Networking Instant On. Successful exploitation could allow a low-privilege authenticated local attacker to interrupt the normal operation of the affected service.","status":"published","published":"2026-09-29T19:28:54.745Z","modified":"2026-09-30T20:01:04.044Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T13:46:21.568011Z"}],"euvd":[{"id":"EUVD-2026-89355","description":"A buffer overflow vulnerability exists in the underlying operating system of HPE Networking Instant On. Successful exploitation could allow a low-privilege authenticated local attacker to interrupt the normal operation of the affected service.","status":"published","published":"2026-09-29T19:28:54Z","modified":"2026-09-30T20:01:04Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T17:27:47.293232Z"}],"ghsa":[{"id":"GHSA-4xh7-mfrf-xh8q","title":"A buffer overflow vulnerability exists in the underlying operating system of HPE Networking...","description":"A buffer overflow vulnerability exists in the underlying operating system of HPE Networking Instant On. Successful exploitation could allow a low-privilege authenticated local attacker to interrupt the normal operation of the affected service.","status":"published","published":"2026-09-29T21:33:26Z","modified":"2026-09-30T21:32:04Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:12:38.770231Z"}],"nvd":[{"id":"CVE-2026-76736","description":"A buffer overflow vulnerability exists in the underlying operating system of HPE Networking Instant On. Successful exploitation could allow a low-privilege authenticated local attacker to interrupt the normal operation of the affected service.","status":"published","published":"2026-09-29T20:17:26.027Z","modified":"2026-09-30T21:17:15.193Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:12:52.759595Z"}]}}