FKIE_CVE-2026-3609

Vulnerability from fkie_nvd - Published: 2026-05-11 18:16 - Updated: 2026-05-13 14:17
Severity
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
5.3 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Summary
Wellbia's XIGNCODE3 xhunter1.sys kernel driver Privilege Escalation Vulnerability provides access to IRP_MJ_REITS command interface, which allows any user process to request a PROCESS_ALL_ACCESS. Cross reference to KVE 2023-5589 (https://krcert.or.kr)
References
cret@cert.orghttps://blacksnufkin.github.io/posts/AntiCheat-LPE-CVE-2026-3609/Exploit, Third Party Advisory
cret@cert.orghttps://crcert.or.krBroken Link
134c704f-9b21-4f2e-91b3-4a467353bcc0https://blacksnufkin.github.io/posts/AntiCheat-LPE-CVE-2026-3609/Exploit, Third Party Advisory
Impacted products
Vendor Product Version
wellbia xigncode3 10.0.10011.16384
To clipboard 

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    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:wellbia:xigncode3:10.0.10011.16384:*:*:*:*:*:*:*",
              "matchCriteriaId": "413C1845-5509-4DB1-9BA7-FF1CF00E7365",
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          "negate": false,
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Wellbia\u0027s XIGNCODE3 xhunter1.sys kernel driver Privilege Escalation Vulnerability provides access to IRP_MJ_REITS command interface, which allows any user process to request a PROCESS_ALL_ACCESS.\r\nCross reference to KVE 2023-5589 (https://krcert.or.kr)"
    }
  ],
  "id": "CVE-2026-3609",
  "lastModified": "2026-05-13T14:17:35.900",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
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        "impactScore": 5.9,
        "source": "nvd@nist.gov",
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  "published": "2026-05-11T18:16:33.560",
  "references": [
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      "tags": [
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      "url": "https://blacksnufkin.github.io/posts/AntiCheat-LPE-CVE-2026-3609/"
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      "tags": [
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      "url": "https://crcert.or.kr"
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  "sourceIdentifier": "cret@cert.org",
  "vulnStatus": "Modified",
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          "value": "NVD-CWE-noinfo"
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  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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