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CVE-2026-12168

Estado: AplazadaAlta (7.8)—

An improper validation vulnerability for driver `GFAC_Sys_x64.sys` in Little Orbit GFAC allows a local attacker to escalate privileges to SYSTEM and execute arbitrary code in kernel mode via crafted messages sent through a Minifilter communication port.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

AV:L + PR:L sin UI requiere explotación local (T1068). Valida deficientemente mensajes en driver kernel, permitiendo ejecución arbitraria en modo kernel y escalada a SYSTEM.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Execution PreventionPrivileged Account ManagementAuditUpdate SoftwareUser Account ManagementThreat Intelligence Program

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Little Orbit — GfacAI

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-12168",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-12168",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-07-02T17:36:06.427941Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "cret@cert.org",
      "affectedData": [
        {
          "vendor": "Little Orbit",
          "product": "GameFirst Anti-Cheat",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "2025-07-07"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-07-02T15:16:57.123",
  "references": [
    {
      "url": "https://github.com/FzRsLLaSheR/CVE-2026-12166_CVE-2026-12167_CVE-2026-12168",
      "source": "cret@cert.org"
    },
    {
      "url": "https://kb.cert.org/vuls/id/639124",
      "source": "cret@cert.org"
    },
    {
      "url": "https://www.littleorbit.com/",
      "source": "cret@cert.org"
    }
  ],
  "vulnStatus": "Deferred",
  "descriptions": [
    {
      "lang": "en",
      "value": "An improper validation vulnerability for driver `GFAC_Sys_x64.sys` in Little Orbit GFAC allows a local attacker to escalate privileges to SYSTEM and execute arbitrary code in kernel mode via crafted messages sent through a Minifilter communication port."
    }
  ],
  "lastModified": "2026-07-02T18:16:48.463",
  "sourceIdentifier": "cret@cert.org"
}