CVE-2019-0966
Estado: ModificadaMedia (6.8)—
Existe una vulnerabilidad de denegación de servicio cuando Microsoft Hyper-V en un servidor host no puede comprobar apropiadamente la entrada de un usuario privilegiado sobre un sistema operativo invitado, también se conoce como "Windows Hyper-V Denial of Service Vulnerability".
CVSS
- Versión: 3.0
- Vector: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- Puntuación base: 6.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.64%
- Percentil entre todas las CVEs puntuadas: 76
- Fecha de la puntuación: 18/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (3)
CWE
- CWE-20
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2019-0966",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 5.5,
"accessVector": "ADJACENT_NETWORK",
"vectorString": "AV:A/AC:L/Au:S/C:N/I:N/A:C",
"authentication": "SINGLE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 6.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 5.1,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "CHANGED",
"version": "3.0",
"baseScore": 6.8,
"attackVector": "ADJACENT_NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
},
"impactScore": 4,
"exploitabilityScore": 2.3
}
]
},
"affected": [
{
"source": "secure@microsoft.com",
"affectedData": [
{
"vendor": "Microsoft",
"product": "Windows Server",
"versions": [
{
"status": "affected",
"version": "2016"
},
{
"status": "affected",
"version": "2016 (Core installation)"
},
{
"status": "affected",
"version": "version 1803 (Core Installation)"
},
{
"status": "affected",
"version": "2019"
},
{
"status": "affected",
"version": "2019 (Core installation)"
}
]
},
{
"vendor": "Microsoft",
"product": "Windows",
"versions": [
{
"status": "affected",
"version": "10 Version 1607 for x64-based Systems"
},
{
"status": "affected",
"version": "10 Version 1703 for x64-based Systems"
},
{
"status": "affected",
"version": "10 Version 1709 for x64-based Systems"
},
{
"status": "affected",
"version": "10 Version 1803 for x64-based Systems"
},
{
"status": "affected",
"version": "10 Version 1809 for x64-based Systems"
}
]
},
{
"vendor": "Microsoft",
"product": "Windows 10 Version 1903 for x64-based Systems",
"versions": [
{
"status": "affected",
"version": "unspecified"
}
]
},
{
"vendor": "Microsoft",
"product": "Windows Server, version 1903 (Server Core installation)",
"versions": [
{
"status": "affected",
"version": "unspecified"
}
]
}
]
}
],
"published": "2019-07-15T19:15:15.950",
"references": [
{
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0966",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "secure@microsoft.com"
},
{
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0966",
"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": "A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate input from a privileged user on a guest operating system, aka 'Windows Hyper-V Denial of Service Vulnerability'."
},
{
"lang": "es",
"value": "Existe una vulnerabilidad de denegación de servicio cuando Microsoft Hyper-V en un servidor host no puede comprobar apropiadamente la entrada de un usuario privilegiado sobre un sistema operativo invitado, también se conoce como \"Windows Hyper-V Denial of Service Vulnerability\"."
}
],
"lastModified": "2026-06-17T02:09:18.840",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "897A48D7-FCA1-4560-AFBB-718AF19BA3A2"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "2704BDB7-C9DC-42A6-925D-798568E22D6D"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "1B3308A0-1699-4A4A-8D6B-AB4E4C825C95"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "1981BA0D-0920-40C0-8A6A-5D5A1B221560"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "6CF580BA-6938-40F6-9D86-F43044A6BACA"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "2487AF09-F003-482A-BD42-31F6AEAA033F"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "041FF8BA-0B12-4A1F-B4BF-9C4F33B7C1E7"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CAACE735-003E-4ACB-A82E-C0CF97D7F013"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5B921FDB-8E7D-427E-82BE-4432585080CF"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DB79EE26-FC32-417D-A49C-A1A63165A968"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "secure@microsoft.com"
}