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CVE-2017-8521

Status: ModifiedHigh (7.5)—

Microsoft Edge in Windows 10 1703 allows an attacker to execute arbitrary code in the context of the current user when the Edge JavaScript scripting engine fails to handle objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-8499, CVE-2017-8520, CVE-2017-8548, and CVE-2017-8549.

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 — Edge

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2017-8521",
  "cveTags": [],
  "metrics": {
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        "type": "Primary",
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:H/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
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  "affected": [
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  "published": "2017-06-15T01:29:04.133",
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Microsoft Edge in Windows 10 1703 allows an attacker to execute arbitrary code in the context of the current user when the Edge JavaScript scripting engine fails to handle objects in memory, aka \"Scripting Engine Memory Corruption Vulnerability\". This CVE ID is unique from CVE-2017-8499, CVE-2017-8520, CVE-2017-8548, and CVE-2017-8549."
    },
    {
      "lang": "es",
      "value": "Microsoft Edge en Windows 10 versión 1703, permite a un atacante ejecutar código arbitrario en el contexto del usuario actual cuando el motor de scripting de JavaScript de Edge no maneja objetos en la memoria, también se conoce como \"Scripting Engine Memory Corruption Vulnerability\". El ID de este CVE es diferente de CVE-2017-8499, CVE-2017-8520, CVE-2017-8548 y CVE-2017-8549."
    }
  ],
  "lastModified": "2026-06-17T01:26:30.780",
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}