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CVE-2010-2556

Status: ModifiedHigh (9.3)—

Microsoft Internet Explorer 6, 7, and 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, leading to memory corruption, aka "Uninitialized Memory Corruption 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)

CWEs

References

Raw JSON (NVD)

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  "id": "CVE-2010-2556",
  "cveTags": [],
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        "cvssData": {
          "version": "2.0",
          "baseScore": 9.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
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        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": true,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
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      "affectedData": [
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          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
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  "published": "2010-08-11T18:47:50.890",
  "references": [
    {
      "url": "http://www.us-cert.gov/cas/techalerts/TA10-222A.html",
      "tags": [
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        "US Government Resource"
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      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-053",
      "tags": [
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        "Vendor Advisory"
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      "tags": [
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          "lang": "en",
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      "value": "Microsoft Internet Explorer 6, 7, and 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, leading to memory corruption, aka \"Uninitialized Memory Corruption Vulnerability.\""
    },
    {
      "lang": "es",
      "value": "Microsoft Internet Explorer 6,7 y 8 no manejan adecuadamente objetos en memoria, lo que permite a atacantes remotos ejecutar código accediendo a un objeto que (1) no está apropiadamente inicializado o (2) está borrado, lo que implica corrupción de memoria. También conocido cómo \"Uninitialized Memory Corruption Vulnerability\" (Vulnerabilidad de corrupción de memoria no inicializada)."
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  "lastModified": "2026-06-16T23:20:58.777",
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