{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-20407",
        "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
        "state": "PUBLISHED",
        "assignerShortName": "MediaTek",
        "dateReserved": "2025-11-03T01:30:59.007Z",
        "datePublished": "2026-02-02T08:14:54.752Z",
        "dateUpdated": "2026-03-30T13:02:54.988Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
                "shortName": "MediaTek",
                "dateUpdated": "2026-03-30T13:02:54.988Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In wlan STA driver, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00464377; Issue ID: MSV-4905."
                }
            ],
            "affected": [
                {
                    "vendor": "MediaTek, Inc.",
                    "product": "MediaTek chipset",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "MT7902",
                            "status": "affected"
                        },
                        {
                            "version": "MT7920",
                            "status": "affected"
                        },
                        {
                            "version": "MT7921",
                            "status": "affected"
                        },
                        {
                            "version": "MT7922",
                            "status": "affected"
                        },
                        {
                            "version": "MT7925",
                            "status": "affected"
                        },
                        {
                            "version": "MT7927",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://corp.mediatek.com/product-security-bulletin/February-2026"
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "lang": "en",
                            "cweId": "CWE-787",
                            "description": "CWE-787 Out-of-bounds Write"
                        }
                    ]
                }
            ],
            "x_generator": {
                "engine": "cvelib 1.8.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "CHANGED",
                            "version": "3.1",
                            "baseScore": 9.3,
                            "attackVector": "LOCAL",
                            "baseSeverity": "CRITICAL",
                            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
                            "integrityImpact": "HIGH",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "HIGH"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2026-20407",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2026-02-03T04:55:42.443130Z"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-02-26T15:04:39.708Z"
                }
            }
        ]
    }
}