{"id":"CVE-2026-76734","aliases":["EUVD-2026-89353","GHSA-wh55-67qx-9pcr"],"status":"published","title":"Unauthenticated Memory Corruption Vulnerability leads to Denial-of-Service in HPE Networking Instant On","description":"A memory corruption vulnerability in the affected interface of HPE Networking Instant On could allow an unauthenticated remote attacker to conduct a denial of service attack. Successful exploitation could allow an attacker to interrupt the normal operation of the affected service and to access some limited information within the affected component.","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00288,"percentile":0.21592,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2026-09-29T19:28:52Z","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-2026-76734"},{"url":"https://github.com/advisories/GHSA-wh55-67qx-9pcr"}],"sources":{"cve":[{"id":"CVE-2026-76734","title":"Unauthenticated Memory Corruption Vulnerability leads to Denial-of-Service in HPE Networking Instant On","description":"A memory corruption vulnerability in the affected interface of HPE Networking Instant On could allow an unauthenticated remote attacker to conduct a denial of service attack. Successful exploitation could allow an attacker to interrupt the normal operation of the affected service and to access some limited information within the affected component.","status":"published","published":"2026-09-29T19:28:52.406Z","modified":"2026-09-30T20:11:05.942Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T13:46:10.323375Z"}],"euvd":[{"id":"EUVD-2026-89353","description":"A memory corruption vulnerability in the affected interface of HPE Networking Instant On could allow an unauthenticated remote attacker to conduct a denial of service attack. Successful exploitation could allow an attacker to interrupt the normal operation of the affected service and to access some limited information within the affected component.","status":"published","published":"2026-09-29T19:28:52Z","modified":"2026-09-30T20:11:05Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T17:27:47.293232Z"}],"ghsa":[{"id":"GHSA-wh55-67qx-9pcr","title":"A memory corruption vulnerability in the affected interface of HPE Networking Instant On could...","description":"A memory corruption vulnerability in the affected interface of HPE Networking Instant On could allow an unauthenticated remote attacker to conduct a denial of service attack. Successful exploitation could allow an attacker to interrupt the normal operation of the affected service and to access some limited information within the affected component.","status":"published","published":"2026-09-29T21:33:26Z","modified":"2026-09-30T21:32:04Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:12:38.770231Z"}],"nvd":[{"id":"CVE-2026-76734","description":"A memory corruption vulnerability in the affected interface of HPE Networking Instant On could allow an unauthenticated remote attacker to conduct a denial of service attack. Successful exploitation could allow an attacker to interrupt the normal operation of the affected service and to access some limited information within the affected component.","status":"published","published":"2026-09-29T20:17:25.767Z","modified":"2026-09-30T21:17:14.967Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:12:52.759595Z"}]}}