{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-3609",
        "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
        "state": "PUBLISHED",
        "assignerShortName": "certcc",
        "dateReserved": "2026-03-05T17:54:52.283Z",
        "datePublished": "2026-05-11T16:25:24.769Z",
        "dateUpdated": "2026-08-05T15:57:56.121Z"
    },
    "containers": {
        "cna": {
            "title": "XIGNCODE3 xhunter1.sys kernel driver contains a Privilege Escalation Vulnerability",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Wellbia's XIGNCODE3 xhunter1.sys kernel driver, version 10.0.10011.16384 through 2023.12.7.78, privilege escalation vulnerability provides access to the IRP_MJ_WRITE command interface, which allows any user process to request a PROCESS_ALL_ACCESS.\r\n\r\nNote: KVE 2023-5589 (https://krcert.or.kr) was initially issued for version 10.0.10011.16384, but the vulnerability was not fully remediated and remains in version 2023.12.7.78."
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "affected": [
                {
                    "vendor": "Wellbia",
                    "product": "XIGNCODE3",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "10.0.10011.16384",
                            "lessThanOrEqual": "2023.12.7.78",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "CWE-269 Improper Privilege Management"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "CWE-732 Incorrect Permission Assignment for Critical Resource"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "CWE-284 Improper Access Control"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "CWE-266 Incorrect Privilege Assignment"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://crcert.or.kr"
                },
                {
                    "url": "https://blacksnufkin.github.io/posts/AntiCheat-LPE-CVE-2026-3609/"
                },
                {
                    "url": "https://blacksnufkin.github.io/posts/Hunting-the-Hunter/"
                }
            ],
            "x_generator": {
                "engine": "VINCE 3.0.43",
                "env": "prod",
                "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-3609"
            },
            "providerMetadata": {
                "orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
                "shortName": "certcc",
                "dateUpdated": "2026-08-05T15:57:56.121Z"
            }
        },
        "adp": [
            {
                "references": [
                    {
                        "url": "https://blacksnufkin.github.io/posts/AntiCheat-LPE-CVE-2026-3609/",
                        "tags": [
                            "exploit"
                        ]
                    }
                ],
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 5.3,
                            "attackVector": "LOCAL",
                            "baseSeverity": "MEDIUM",
                            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
                            "integrityImpact": "LOW",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "LOW",
                            "privilegesRequired": "LOW",
                            "confidentialityImpact": "LOW"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-05-13T12:35:38.266419Z",
                                "id": "CVE-2026-3609",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-05-13T12:35:57.998Z"
                }
            }
        ]
    }
}