{"id":"CVE-2026-76721","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-76721","generatedAt":"2026-10-28T02:17:38.116Z","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.","description":"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 to execute arbitrary code as a privileged user on the underlying operating system.","published":"2026-09-29T20:17:24.000Z","lastModified":"2026-09-30T21:17:14.000Z","status":"Awaiting Analysis","sourceIdentifier":"security-alert@hpe.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-119"],"affected":[],"epss":{"score":0.00556,"percentile":0.46098,"date":"2026-10-26","history":[{"date":"2026-09-30","score":0.00556,"percentile":0.44236}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-29T20:17:24.000Z","detail":{"score":"9.8","severity":"CRITICAL","publishedAt":"2026-09-29T20:17:24.073Z"},"summary":"New CVE, critical severity (CVSS 9.8)."}],"references":[{"url":"https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05150en_us&docLocale=en_US","source":"security-alert@hpe.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-76721","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}