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CVE-2018-0773

Status: ModifiedHigh (7.5)—

Microsoft Edge in Windows 10 1709 allows an attacker to execute arbitrary code in the context of the current user, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2018-0758, CVE-2018-0762, CVE-2018-0768, CVE-2018-0769, CVE-2018-0770, CVE-2018-0772, CVE-2018-0774, CVE-2018-0775, CVE-2018-0776, CVE-2018-0777, CVE-2018-0778, and CVE-2018-0781.

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 (2)

Microsoft — ChakracoreMicrosoft — Edge

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2018-0773",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.6,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:H/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "HIGH",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 4.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
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    "cvssMetricV30": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
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          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
        "exploitabilityScore": 1.6
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  "affected": [
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          "vendor": "Microsoft Corporation",
          "product": "Microsoft Edge",
          "versions": [
            {
              "status": "affected",
              "version": "Windows 10 1709"
            }
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        }
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  ],
  "published": "2018-01-04T14:29:01.080",
  "references": [
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      "url": "http://www.securityfocus.com/bid/102398",
      "tags": [
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        "VDB Entry"
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      "source": "secure@microsoft.com"
    },
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      "tags": [
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    },
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      "source": "secure@microsoft.com"
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      "tags": [
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0773",
      "tags": [
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        "Vendor Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Microsoft Edge in Windows 10 1709 allows an attacker to execute arbitrary code in the context of the current user, due to how the scripting engine handles objects in memory, aka \"Scripting Engine Memory Corruption Vulnerability\". This CVE ID is unique from CVE-2018-0758, CVE-2018-0762, CVE-2018-0768, CVE-2018-0769, CVE-2018-0770, CVE-2018-0772, CVE-2018-0774, CVE-2018-0775, CVE-2018-0776, CVE-2018-0777, CVE-2018-0778, and CVE-2018-0781."
    },
    {
      "lang": "es",
      "value": "Microsoft Edge en Windows 10, 1709 permite que un atacante ejecute código arbitrario en el contexto del usuario actual debido a la forma en la que el motor de scripting manipula objetos en la memoria. Esto también se conoce como \"Scripting Engine Memory Corruption Vulnerability\". El ID de este CVE es diferente de CVE-2018-0758, CVE-2018-0762, CVE-2018-0768, CVE-2018-0769, CVE-2018-0770, CVE-2018-0772, CVE-2018-0774, CVE-2018-0775, CVE-2018-0776, CVE-2018-0777, CVE-2018-0778 y CVE-2018-0781."
    }
  ],
  "lastModified": "2026-06-17T01:31:38.023",
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  "sourceIdentifier": "secure@microsoft.com"
}