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{"status": "affected", "version": "4.3(6c)"}, {"status": "affected", "version": "4.2(3p)"}, {"status": "affected", "version": "6.0(1b)"}, {"status": "affected", "version": "6.0(1c)"}, {"status": "affected", "version": "4.3(6d)"}, {"status": "affected", "version": "6.0(1d)"}, {"status": "affected", "version": "6.0(1e)"}, {"status": "affected", "version": "4.3(6e)"}, {"status": "affected", "version": "6.0(1f)"}, {"status": "affected", "version": "4.3(6f)"}, {"status": "affected", "version": "6.0(2b)"}, {"status": "affected", "version": "6.0(1h)"}, {"status": "affected", "version": "4.2(3r)"}, {"status": "affected", "version": "6.0(2c)"}, {"status": "affected", "version": "4.3(6g)"}, {"status": "affected", "version": "6.0(2d)"}, {"status": "affected", "version": "4.3(6h)"}, {"status": "affected", "version": "4.2(3s)"}, {"status": "affected", "version": "4.3(6i)"}]}], "source": "psirt@cisco.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-76458", "lastModified": "2026-10-08T20:08:45.857", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "psirt@cisco.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-76458", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-08T15:32:05.455444Z", "version": "2.0.3"}}]}, "published": "2026-10-07T17:16:58.280", "references": [{"source": "psirt@cisco.com", "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-nxosw1-cWzSbtR"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-703"}], "source": "psirt@cisco.com", "type": "Secondary"}]}

{}