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CVE-2022-21996

Estado: ModificadaAlta (7.8)—

Una Vulnerabilidad de Elevación de Privilegios en Win32k

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 (1)

Microsoft — Windows 11

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2022-21996",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "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"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "secure@microsoft.com",
        "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": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Windows 11 version 21H2",
          "versions": [
            {
              "status": "affected",
              "version": "10.0.0",
              "lessThan": "10.0.22000.493",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems",
            "ARM64-based Systems"
          ]
        }
      ]
    }
  ],
  "published": "2022-02-09T17:15:09.400",
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21996",
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21996",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Win32k Elevation of Privilege Vulnerability"
    },
    {
      "lang": "es",
      "value": "Una Vulnerabilidad de Elevación de Privilegios en Win32k"
    }
  ],
  "lastModified": "2026-06-17T04:27:26.267",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:*",
              "vulnerable": true,
              "matchCriteriaId": "B9F64296-66BF-4F1D-A11C-0C44C347E2AC"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:*",
              "vulnerable": true,
              "matchCriteriaId": "5D7F7DDB-440E-42CD-82F4-B2C13F3CC462"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}