CVE-2026-15430

Full vulnerability record from the local CVENow database.

Description

Improper access control in the IRP_MJ_WRITE command interface in Wellbia XIGNCODE3 xhunter2.sys, version 2026.6.1.192, allows a local, unprivileged attacker to achieve local privilege escalation to NT AUTHORITY\SYSTEM, extract credentials from PPL-protected lsass.exe, and terminate PPL-protected security processes.

Severity

MEDIUM

CVSS score

6.2 (v3.1)

Vulnerability status

Awaiting Analysis

Source identifier

[email protected]

Published

2026-08-03 16:16:28.123000

Last modified

2026-10-23 21:10:00.157000

View original CVE JSON

{
  "id": "CVE-2026-15430",
  "sourceIdentifier": "[email protected]",
  "published": "2026-08-03T16:16:28.123",
  "lastModified": "2026-10-23T21:10:00.157",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper access control in the IRP_MJ_WRITE command interface in\r\nWellbia XIGNCODE3 xhunter2.sys, version 2026.6.1.192, allows a local, unprivileged attacker to achieve local privilege escalation to\r\nNT AUTHORITY\\SYSTEM, extract credentials from PPL-protected\r\nlsass.exe, and terminate PPL-protected security processes."
    },
    {
      "lang": "es",
      "value": "Control de acceso inadecuado en la interfaz de comando IRP_MJ_WRITE en Wellbia XIGNCODE3 xhunter2.sys, versión 2026.6.1.192, permite a un atacante local, sin privilegios, lograr una escalada de privilegios local a NT AUTHORITY\\SYSTEM, extraer credenciales de lsass.exe protegido por PPL, y terminar procesos de seguridad protegidos por PPL."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Wellbia",
          "product": "XIGNCODE3",
          "versions": [
            {
              "version": "2026.6.1.192",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "baseScore": 6.2,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-03T19:19:12.678460Z",
          "id": "CVE-2026-15430",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        },
        {
          "lang": "en",
          "value": "CWE-284"
        },
        {
          "lang": "en",
          "value": "CWE-732"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://blacksnufkin.github.io/posts/Hunting-the-Hunter-II/",
      "source": "[email protected]"
    }
  ]
}