CVE-2017-8704
Status: ModifiedMedium (5.3)—
The Windows Hyper-V component on Microsoft Windows 10 1607 and Windows Server 2016 allows a denial of service vulnerability when it fails to properly validate input from an authenticated user on a guest operating system, aka "Hyper-V Denial of Service Vulnerability".
CVSS
- Version: 3.0
- Vector: CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H
- Base score: 5.3
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 1.49%
- Percentile among all scored CVEs: 74
- Score date: 10/19/2026
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 (2)
CWEs
- CWE-20
References
- http://www.securityfocus.com/bid/100787
- http://www.securitytracker.com/id/1039317
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8704
- http://www.securityfocus.com/bid/100787
- http://www.securitytracker.com/id/1039317
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8704
Raw JSON (NVD)
Show
{
"id": "CVE-2017-8704",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 4.9,
"accessVector": "LOCAL",
"vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 6.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.9,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "CHANGED",
"version": "3.0",
"baseScore": 5.3,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "HIGH",
"privilegesRequired": "HIGH",
"confidentialityImpact": "NONE"
},
"impactScore": 4,
"exploitabilityScore": 0.8
}
]
},
"affected": [
{
"source": "secure@microsoft.com",
"affectedData": [
{
"vendor": "Microsoft Corporation",
"product": "Windows Hyper-V",
"versions": [
{
"status": "affected",
"version": "Microsoft Windows 10 1607 and Windows Server 2016"
}
]
}
]
}
],
"published": "2017-09-13T01:29:10.473",
"references": [
{
"url": "http://www.securityfocus.com/bid/100787",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "secure@microsoft.com"
},
{
"url": "http://www.securitytracker.com/id/1039317",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "secure@microsoft.com"
},
{
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8704",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "secure@microsoft.com"
},
{
"url": "http://www.securityfocus.com/bid/100787",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.securitytracker.com/id/1039317",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8704",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-20"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The Windows Hyper-V component on Microsoft Windows 10 1607 and Windows Server 2016 allows a denial of service vulnerability when it fails to properly validate input from an authenticated user on a guest operating system, aka \"Hyper-V Denial of Service Vulnerability\"."
},
{
"lang": "es",
"value": "El componente Hyper-V de Windows en Microsoft Windows 10, 1607 y Windows Server 2016 permite que ocurra una vulnerabilidad de denegación de servicio cuando no valida correctamente entradas de un usuario autenticado en un sistema operativo invitado. Esto también se conoce como \"Hyper-V Denial of Service Vulnerability\"."
}
],
"lastModified": "2026-06-17T01:26:49.180",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E01A4CCA-4C43-46E0-90E6-3E4DBFBACD64"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AF6437F9-6631-49D3-A6C2-62329E278E31"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "secure@microsoft.com"
}