{"schemaVersion":3,"id":"CVE-2026-76736","aliases":[],"status":"published","duplicateOf":null,"title":null,"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.","dates":{"published":"2026-09-29T19:28:54.745Z","modified":"2026-09-30T20:01:04.044Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":3.3,"severity":"low","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":3.3,"severity":"low","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":3.3,"severity":"low","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00093,"percentile":0.0052,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[{"date":"2026-09-30T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00093,"percentile":0.0052}],"last30":[{"date":"2026-09-30T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00093,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00093,"percentile":0.0052}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer","description":"The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/119.html"}],"affected":[{"vendor":"hewlett packard enterprise (hpe)","product":"instant on","name":"Instant ON","label":"instant on","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 0.0.0.0, ≤ 3.4.1.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 0.0.0.0, ≤ 3.4.1.0","eol":null,"hubHref":"/vendor/hewlett_packard_enterprise_hpe/instant_on"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05150en_us&docLocale=en_US","label":"support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05150en_us&docLocale=en_US","hostname":"support.hpe.com","tags":[]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-09-29T19:28:54.745Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-09-30T20:01:04.044Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":13,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T03:03:28.538Z","stale":false,"partial":false}}