CVE-2017-0266
Status: ModifiedHigh (7.5)—
A remote code execution vulnerability exists in Microsoft Edge in the way affected Microsoft scripting engines render when handling objects in memory, aka "Microsoft Edge Remote Code Execution Vulnerability."
CVSS
- Version: 3.0
- Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- Base score: 7.5
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 36%
- Percentile among all scored CVEs: 98
- Score date: 10/10/2026
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 (1)
CWEs
- CWE-119
References
Raw JSON (NVD)
Show
{
"id": "CVE-2017-0266",
"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,
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"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"
},
"impactScore": 5.9,
"exploitabilityScore": 1.6
}
]
},
"affected": [
{
"source": "secure@microsoft.com",
"affectedData": [
{
"vendor": "Microsoft Corporation",
"product": "Microsoft Edge",
"versions": [
{
"status": "affected",
"version": "Windows 10 Version 1511 for 32-bit Systems, Windows 10 Version 1511 for x64-based Systems, Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows 10 Version 1703 for 32-bit Systems, and Windows 10 Version 1703 for x64-based Systems."
}
]
}
]
}
],
"published": "2017-05-12T14:29:05.287",
"references": [
{
"url": "http://www.securityfocus.com/bid/98276",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "secure@microsoft.com"
},
{
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0266",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "secure@microsoft.com"
},
{
"url": "http://www.securityfocus.com/bid/98276",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0266",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-119"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A remote code execution vulnerability exists in Microsoft Edge in the way affected Microsoft scripting engines render when handling objects in memory, aka \"Microsoft Edge Remote Code Execution Vulnerability.\""
},
{
"lang": "es",
"value": "Se presenta una vulnerabilidad de ejecución de código remota en Microsoft Edge en la manera en que los motores de scripting de Microsoft afectados renderizan al manejar objetos en memoria, también se conoce como \"Microsoft Edge Remote Code Execution Vulnerability\"."
}
],
"lastModified": "2026-06-17T00:57:22.270",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
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"criteria": "cpe:2.3:a:microsoft:edge:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8BD5B232-95EA-4F8E-8C7D-7976877AD243"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "secure@microsoft.com"
}