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CVE-2020-0834

Estado: ModificadaAlta (7.8)—

Existe una vulnerabilidad de elevación de privilegios cuando Windows maneja inapropiadamente las llamadas a Advanced Local Procedure Call (ALPC). Un atacante que haya explotado con éxito esta vulnerabilidad podría ejecutar código arbitrario en el contexto de seguridad del sistema local, también se conoce como "Windows ALPC Elevation of Privilege Vulnerability".

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).

Tecnologías afectadas (6)

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2020-0834",
  "cveTags": [],
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 7.2,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
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        "acInsufInfo": false,
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        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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  "published": "2020-03-12T16:15:17.923",
  "references": [
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      "tags": [
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      "source": "secure@microsoft.com"
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      "tags": [
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      "value": "An elevation of privilege vulnerability exists when Windows improperly handles calls to Advanced Local Procedure Call (ALPC).An attacker who successfully exploited this vulnerability could run arbitrary code in the security context of the local system, aka 'Windows ALPC Elevation of Privilege Vulnerability'."
    },
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      "value": "Existe una vulnerabilidad de elevación de privilegios cuando Windows maneja inapropiadamente las llamadas a Advanced Local Procedure Call (ALPC). Un atacante que haya explotado con éxito esta vulnerabilidad podría ejecutar código arbitrario en el contexto de seguridad del sistema local, también se conoce como \"Windows ALPC Elevation of Privilege Vulnerability\"."
    }
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  "lastModified": "2026-06-17T02:46:43.510",
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