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CVE-2006-6753

Status: ModifiedMedium (4.1)—

Event Viewer (eventvwr.exe) in Microsoft Windows does not properly display log data that contains '%' (percent) characters, which might make it impossible to use Event Viewer to determine the actual data that triggered an event, and might produce long strings that are not properly handled by certain processes that rely on Event Viewer.

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 Event Viewer

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2006-6753",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.1,
          "accessVector": "ADJACENT_NETWORK",
          "vectorString": "AV:A/AC:L/Au:S/C:P/I:N/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 5.1,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2006-12-27T01:28:00.000",
  "references": [
    {
      "url": "http://www.securityfocus.com/archive/1/455044/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/455071/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/455077/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/455079/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/455087/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/455044/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/455071/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/455077/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/455079/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/455087/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Event Viewer (eventvwr.exe) in Microsoft Windows does not properly display log data that contains '%' (percent) characters, which might make it impossible to use Event Viewer to determine the actual data that triggered an event, and might produce long strings that are not properly handled by certain processes that rely on Event Viewer."
    },
    {
      "lang": "es",
      "value": "el Visor de Sucesos (eventvwr.exe) en Microsoft Windows no muestra adecuadamente la información de registro almacenada que contiene caracteres '%' (porcentaje), lo cual podría hacer imposible utilizar el Visor de Sucesos para determinar los datos reales que dispararon un evento, y podría producir cadenas largas que no son manejadas adecuadamente por determinados procesos que se basan en el Visor de Sucesos."
    }
  ],
  "lastModified": "2026-06-16T22:33:43.827",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:windows_event_viewer:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "03B7EB3D-6451-4084-A9E6-2D797CB94E38"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}