{"id":"CVE-2026-76531","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-76531","generatedAt":"2026-10-28T01:51:10.820Z","title":"This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.","description":"As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76531 are related to files or directories accessible to external parties and are grouped under the Common Weakness Enumeration (CWE) CWE-552.","published":"2026-10-21T23:17:30.000Z","lastModified":"2026-10-22T16:57:10.000Z","status":"Awaiting Analysis","sourceIdentifier":"psirt@cisco.com","cvss":{"version":"3.1","score":9.9,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},"cwe":["CWE-552"],"affected":[],"epss":{"score":0.00407,"percentile":0.3477,"date":"2026-10-26","history":[{"date":"2026-10-22","score":0.00189,"percentile":0.08052}]},"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 (0.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-22T15:15:14.000Z","detail":{"from":null,"score":"9.9","severity":"CRITICAL","fromSeverity":null},"summary":"Now scored CVSS 9.9 CRITICAL."},{"kind":"new","label":"New CVE","at":"2026-10-21T23:17:30.000Z","detail":{"score":null,"severity":null,"publishedAt":"2026-10-21T23:17:30.117Z"},"summary":"New CVE, critical severity (CVSS 9.9)."}],"references":[{"url":"https://advisory.splunk.com/advisories/SVD-2026-1011","source":"psirt@cisco.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-76531","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."}