{"id":"CVE-2026-76455","published":"2026-10-07T17:16:57.520","lastModified":"2026-10-08T20:08:45.857","description":"As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.\r\n\r\nThe vulnerabilities tracked by CVE-2026-76455 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) CWE-284.","cvssScore":9.8,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwes":["CWE-284"],"vendors":[],"products":[],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-nxosw1-cWzSbtR","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"The flaw involves improper access control issues, allowing unauthorized access to sensitive data and functionalities.","exploitability":"Exploitation is moderately difficult requiring specific access conditions and knowledge of the internal system.","blast_radius":"If exploited, the impact could be severe, leading to data compromise and potential system control.","remediation":"Upgrade to the fixed version 2.590 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["auth-bypass","data-exposure","internal-vuln"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-10-08T08:40:44.546Z"}}