CVE-2005-2831

Status: ModifiedHigh (7.5)—
Microsoft Internet Explorer 5.01, 5.5, and 6 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a web page with embedded CLSIDs that reference certain COM objects that are not intended for use within Internet Explorer, aka a variant of the "COM Object Instantiation Memory Corruption Vulnerability," a different vulnerability than CVE-2005-2127.
CVSS

Version: 2.0
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Base score: 7.5
Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 30%
Percentile among all scored CVEs: 98
Score date: 10/9/2026
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 (2)

Microsoft — IE Microsoft — Internet Explorer
CWEs

NVD-CWE-Other
References

Raw JSON (NVD)

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{
  "id": "CVE-2005-2831",
  "cveTags": [],
  "metrics": {
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      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": true,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
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      "affectedData": [
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          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2005-12-14T11:03:00.000",
  "references": [
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    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Microsoft Internet Explorer 5.01, 5.5, and 6 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a web page with embedded CLSIDs that reference certain COM objects that are not intended for use within Internet Explorer, aka a variant of the \"COM Object Instantiation Memory Corruption Vulnerability,\" a different vulnerability than CVE-2005-2127."
    },
    {
      "lang": "es",
      "value": "Microsoft Internet Explorer 5.01, 5.5 y 6 permiten a atacantes remotos causar una denegación de servicio (caída de aplicación) y posiblemente ejecutar código de su elección mediante una página web con CLSIDs incrustados que hacen referencia ciertos objetos COM que no están pensados para ser usados con con Internet Explorer, tcc una variante de la \"Vulnerabilidad de Corrupción de Memoria por Instanciamiento de Objeto COM\", una vulnerabilidad diferente de CVE-2005-2127."
    }
  ],
  "lastModified": "2026-06-16T22:15:45.240",
  "configurations": [
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