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CVE-2009-1043

Status: ModifiedHigh (10)—

Unspecified vulnerability in Microsoft Internet Explorer 8 on Windows 7 allows remote attackers to execute arbitrary code via unknown vectors triggered by clicking on a link, as demonstrated by Nils during a PWN2OWN competition at CanSecWest 2009.

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 — Internet Explorer

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2009-1043",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 10,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
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        "acInsufInfo": false,
        "impactScore": 10,
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        "obtainAllPrivilege": false,
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        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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      "affectedData": [
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          "versions": [
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  ],
  "published": "2009-03-23T14:19:12.563",
  "references": [
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      "url": "http://blogs.zdnet.com/security/?p=2934",
      "source": "cve@mitre.org"
    },
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    },
    {
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      "source": "cve@mitre.org"
    },
    {
      "url": "http://dvlabs.tippingpoint.com/blog/2009/03/18/pwn2own-2009-day-1---safari-internet-explorer-and-firefox-taken-down-by-four-zero-day-exploits",
      "source": "cve@mitre.org"
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    {
      "url": "http://dvlabs.tippingpoint.com/blog/2009/03/20/pwn2own-day-2",
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "value": "NVD-CWE-noinfo"
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  ],
  "descriptions": [
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      "lang": "en",
      "value": "Unspecified vulnerability in Microsoft Internet Explorer 8 on Windows 7 allows remote attackers to execute arbitrary code via unknown vectors triggered by clicking on a link, as demonstrated by Nils during a PWN2OWN competition at CanSecWest 2009."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en Microsoft Internet Explorer 8 sobre Windows 7 permite a atacantes remotos ejecutar código arbitrario a través de vectores desconocidos simplemente haciendo clic en un enlace, como se demostró Nils durante una competición PWN2OWN en CanSecWest 2009."
    }
  ],
  "lastModified": "2026-06-16T23:06:22.840",
  "configurations": [
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  "sourceIdentifier": "cve@mitre.org"
}