{
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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-76486",
        "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "state": "PUBLISHED",
        "assignerShortName": "cisco",
        "dateReserved": "2026-08-19T12:02:03.639Z",
        "datePublished": "2026-10-07T16:17:16.954Z",
        "dateUpdated": "2026-10-07T16:46:12.418Z"
    },
    "containers": {
        "cna": {
            "title": "Cisco Nexus 3000 and 9000 Series Switches VXLAN OAM (NGOAM) Remote Code Execution Vulnerability",
            "metrics": [
                {
                    "format": "cvssV3_1",
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                        "baseScore": 9.8,
                        "baseSeverity": "CRITICAL",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH"
                    }
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A vulnerability in the VXLAN Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software, known as NGOAM, could allow an unauthenticated, remote attacker to execute arbitrary code with root privileges or cause a Denial-of-Service (DoS) on an affected device.\r\n\r\nThis vulnerability is due to improper input validation of IP traffic when the NGOAM feature is enabled. An attacker could exploit this vulnerability by sending crafted packets to an IP interface on an affected device. A successful exploit could allow the attacker to execute arbitrary code with root privileges and could cause process crashes resulting in a reload and DoS condition."
                }
            ],
            "references": [
                {
                    "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ngoam-rce-LWKQ4BU",
                    "name": "cisco-sa-ngoam-rce-LWKQ4BU"
                }
            ],
            "exploits": [
                {
                    "lang": "en",
                    "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
                }
            ],
            "source": {
                "advisory": "cisco-sa-ngoam-rce-LWKQ4BU",
                "discovery": "INTERNAL",
                "defects": [
                    "CSCwu57455"
                ]
            },
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Stack-based Buffer Overflow",
                            "type": "cwe",
                            "cweId": "CWE-121"
                        }
                    ]
                }
            ],
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                    "product": "Cisco NX-OS Software",
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                        {
                            "version": "9.3(8)",
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                        {
                            "version": "9.3(9)",
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                        },
                        {
                            "version": "9.3(10)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(1)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(2)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(11)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(3)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(12)",
                            "status": "affected"
                        },
                        {
                            "version": "10.4(1)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(99w)",
                            "status": "affected"
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                        {
                            "version": "10.3(3w)",
                            "status": "affected"
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                        {
                            "version": "10.3(99x)",
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                        {
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                        {
                            "version": "10.3(4)",
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                        {
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                            "status": "affected"
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                        {
                            "version": "10.3(4a)",
                            "status": "affected"
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                            "version": "10.3(3q)",
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                            "version": "9.3(13)",
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                        {
                            "version": "10.3(5)",
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                        {
                            "version": "10.4(3)",
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                        {
                            "version": "10.3(3x)",
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                        {
                            "version": "10.3(4g)",
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                            "status": "affected"
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                            "version": "10.3(3r)",
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                            "version": "10.3(6)",
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                        },
                        {
                            "version": "9.3(14)",
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                        },
                        {
                            "version": "10.4(4)",
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                            "version": "10.5(3)",
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                            "version": "9.3(15)",
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                        {
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                            "status": "affected"
                        },
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                            "version": "10.6(3)",
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                        },
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                            "version": "10.4(7)",
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                        },
                        {
                            "version": "10.5(5)",
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                        {
                            "version": "9.3(17)",
                            "status": "affected"
                        },
                        {
                            "version": "10.6(2n)",
                            "status": "affected"
                        },
                        {
                            "version": "10.6(3s)",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unknown"
                }
            ],
            "providerMetadata": {
                "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
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                "dateUpdated": "2026-10-07T16:17:16.954Z"
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                    {
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                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-10-07T16:44:48.683150Z",
                                "id": "CVE-2026-76486",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
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                                        "Automatable": "yes"
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}