CVE-2018-8547
Estado: ModificadaMedia (5.4)—
Existe una vulnerabilidad Cross-Site Scripting (XSS) cuando una personalización de origen abierta para Microsoft Active Directory Federation Services (AD FS) no sanea correctamente una petición web especialmente manipulada a un servidor AD FS. Esto también se conoce como "Active Directory Federation Services XSS Vulnerability". Esto afecta a Windows Server 2012 R2, Windows RT 8.1, Windows Server 2019, Windows Server 2016, Windows 8.1, Windows 10 y Windows 10 Servers.
CVSS
- Versión: 3.0
- Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Puntuación base: 5.4
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.62%
- Percentil entre todas las CVEs puntuadas: 75
- Fecha de la puntuación: 9/10/2026
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 (6)
CWE
- CWE-79
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2018-8547",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 3.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
"authentication": "SINGLE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "LOW",
"obtainAllPrivilege": false,
"exploitabilityScore": 6.8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV30": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "CHANGED",
"version": "3.0",
"baseScore": 5.4,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
},
"impactScore": 2.7,
"exploitabilityScore": 2.3
}
]
},
"affected": [
{
"source": "secure@microsoft.com",
"affectedData": [
{
"vendor": "Microsoft",
"product": "Windows Server 2012 R2",
"versions": [
{
"status": "affected",
"version": "(Server Core installation)"
}
]
},
{
"vendor": "Microsoft",
"product": "Windows RT 8.1",
"versions": [
{
"status": "affected",
"version": "Windows RT 8.1"
}
]
},
{
"vendor": "Microsoft",
"product": "Windows Server 2019",
"versions": [
{
"status": "affected",
"version": "(Server Core installation)"
}
]
},
{
"vendor": "Microsoft",
"product": "Windows Server 2016",
"versions": [
{
"status": "affected",
"version": "(Server Core installation)"
}
]
},
{
"vendor": "Microsoft",
"product": "Windows 8.1",
"versions": [
{
"status": "affected",
"version": "32-bit systems"
},
{
"status": "affected",
"version": "x64-based systems"
}
]
},
{
"vendor": "Microsoft",
"product": "Windows 10",
"versions": [
{
"status": "affected",
"version": "Version 1607 for 32-bit Systems"
},
{
"status": "affected",
"version": "Version 1607 for x64-based Systems"
},
{
"status": "affected",
"version": "Version 1709 for 32-bit Systems"
},
{
"status": "affected",
"version": "Version 1709 for x64-based Systems"
},
{
"status": "affected",
"version": "Version 1803 for 32-bit Systems"
},
{
"status": "affected",
"version": "Version 1803 for ARM64-based Systems"
},
{
"status": "affected",
"version": "Version 1803 for x64-based Systems"
},
{
"status": "affected",
"version": "Version 1809 for 32-bit Systems"
},
{
"status": "affected",
"version": "Version 1809 for ARM64-based Systems"
},
{
"status": "affected",
"version": "Version 1809 for x64-based Systems"
}
]
},
{
"vendor": "Microsoft",
"product": "Windows 10 Servers",
"versions": [
{
"status": "affected",
"version": "version 1709 (Server Core Installation)"
},
{
"status": "affected",
"version": "version 1803 (Server Core Installation)"
}
]
}
]
}
],
"published": "2018-11-14T01:29:01.037",
"references": [
{
"url": "http://www.securityfocus.com/bid/105801",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "secure@microsoft.com"
},
{
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8547",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "secure@microsoft.com"
},
{
"url": "http://www.securityfocus.com/bid/105801",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8547",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A cross-site-scripting (XSS) vulnerability exists when an open source customization for Microsoft Active Directory Federation Services (AD FS) does not properly sanitize a specially crafted web request to an affected AD FS server, aka \"Active Directory Federation Services XSS Vulnerability.\" This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2019, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers."
},
{
"lang": "es",
"value": "Existe una vulnerabilidad Cross-Site Scripting (XSS) cuando una personalización de origen abierta para Microsoft Active Directory Federation Services (AD FS) no sanea correctamente una petición web especialmente manipulada a un servidor AD FS. Esto también se conoce como \"Active Directory Federation Services XSS Vulnerability\". Esto afecta a Windows Server 2012 R2, Windows RT 8.1, Windows Server 2019, Windows Server 2016, Windows 8.1, Windows 10 y Windows 10 Servers."
}
],
"lastModified": "2026-06-17T02:05:04.620",
"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_10:1709:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "83B14968-3985-43C3-ACE5-8307196EFAE3"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7CB85C75-4D35-480E-843D-60579EC75FCB"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6B8F3DD2-A145-4AF1-8545-CC42892DA3D1"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E93068DB-549B-45AB-8E5C-00EB5D8B5CF8"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C6CE5198-C498-4672-AF4C-77AB4BE06C5C"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DB18C4CE-5917-401E-ACF7-2747084FD36E"
},
{
"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_2016:1709:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5B454BFE-D3AB-4CDC-B79B-F60EA3F57DBA"
},
{
"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_2019:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DB79EE26-FC32-417D-A49C-A1A63165A968"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "secure@microsoft.com"
}