{"id":"CVE-2026-76458","published":"2026-10-07T17:16:58.280","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-2026-76458 are related to improper handling of exceptional conditions issues that are grouped under the Common Weakness Enumeration (CWE) CWE-703.","cvssScore":8.6,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","cwes":["CWE-703"],"vendors":[],"products":[],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-nxosw1-cWzSbtR","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"This vulnerability involves improper handling of exceptional conditions, which could lead to a denial of service or potentially other impacts if exploited.","exploitability":"Exploiting this issue requires specific conditions and is considered moderately difficult, as it involves handling exceptional conditions.","blast_radius":"If exploited, the impact is likely to be limited to the affected system, potentially causing a denial of service.","remediation":"Upgrade to the fixed version 2.590 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["dos","cwe-703"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-10-09T08:44:46.092Z"}}