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CVE-2022-40733

Estado: AnalizadaMedia (6.5)—

An access violation vulnerability exists in the DirectComposition functionality win32kbase.sys driver version 10.0.22000.593 as part of Windows 11 version 22000.593 and version 10.0.20348.643 as part of Windows Server 2022 version 20348.643. A specially-crafted set of syscalls can lead to a reboot. An unprivileged user can run specially-crafted code to trigger Denial Of Service.

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 (2)

Microsoft — Windows 11 21h2Microsoft — Windows Server 2022

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2022-40733",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-40733",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-12-20T17:22:21.642102Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "talos-cna@cisco.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.3
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "talos-cna@cisco.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Windows",
          "versions": [
            {
              "status": "affected",
              "version": "Build 22000.593"
            }
          ]
        }
      ]
    }
  ],
  "published": "2024-12-18T23:15:07.243",
  "references": [
    {
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2022-1515",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "talos-cna@cisco.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "talos-cna@cisco.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An access violation vulnerability exists in the DirectComposition functionality win32kbase.sys driver version 10.0.22000.593 as part of Windows 11 version 22000.593 and version 10.0.20348.643 as part of Windows Server 2022 version 20348.643. A specially-crafted set of syscalls can lead to a reboot. An unprivileged user can run specially-crafted code to trigger Denial Of Service."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de violación de acceso en la funcionalidad DirectComposition del controlador win32kbase.sys versión 10.0.22000.593 como parte de Windows 11 versión 22000.593 y versión 10.0.20348.643 como parte de Windows Server 2022 versión 20348.643. Un conjunto de llamadas al sistema especialmente manipulado puede provocar un reinicio. Un usuario sin privilegios puede ejecutar código especialmente manipulado para activar una denegación de servicio."
    }
  ],
  "lastModified": "2026-06-17T05:01:56.750",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_11_21h2:10.0.22000.593:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "996BBFF9-9F06-4CD3-ACF8-4B6D34C380FF"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.643:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CE2FCCB0-B2D4-475A-BCA8-C2F943EB26A3"
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          ],
          "operator": "OR"
        }
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  ],
  "sourceIdentifier": "talos-cna@cisco.com"
}