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CVE-2006-3443

Status: ModifiedHigh (7.2)—

Untrusted search path vulnerability in Winlogon in Microsoft Windows 2000 SP4, when SafeDllSearchMode is disabled, allows local users to gain privileges via a malicious DLL in the UserProfile directory, aka "User Profile Elevation of Privilege Vulnerability."

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Microsoft — Windows 2000

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2006-3443",
  "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": true,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2006-08-09T01:04:00.000",
  "references": [
    {
      "url": "http://secunia.com/advisories/21417",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://securitytracker.com/id?1016662",
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.kb.cert.org/vuls/id/337244",
      "tags": [
        "US Government Resource"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/19375",
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2006/3216",
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-051",
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A155",
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://secunia.com/advisories/21417",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://securitytracker.com/id?1016662",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.kb.cert.org/vuls/id/337244",
      "tags": [
        "US Government Resource"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/19375",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2006/3216",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-051",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A155",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Untrusted search path vulnerability in Winlogon in Microsoft Windows 2000 SP4, when SafeDllSearchMode is disabled, allows local users to gain privileges via a malicious DLL in the UserProfile directory, aka \"User Profile Elevation of Privilege Vulnerability.\""
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de ruta de búsqueda no confiable en Winlogon in Microsoft Windows 2000 SP4, cuando SafeDllSearchMode está deshabilitado, permite a atacantes locales obtener privilegios mediante DLL maliciosa en el directorio UserProfile, también conocido como \"Vulnerabilidad de Elevación de Privilegios de Perfil de Usuario\"."
    }
  ],
  "lastModified": "2026-06-16T22:27:04.317",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4E545C63-FE9C-4CA1-AF0F-D999D84D2AFD"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_2000:*:sp1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "294EBA01-147B-4DA0-937E-ACBB655EDE53"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_2000:*:sp2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4E8B7346-F2AA-434C-A048-7463EC1BB117"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_2000:*:sp3:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BE1A6107-DE00-4A1C-87FC-9E4015165B5B"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "83E7C4A0-78CF-4B56-82BF-EC932BDD8ADF"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}