CVE-2018-8453
Estado: AnalizadaAlta (7.8)⚠ Explotación activa
An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka "Win32k Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Puntuación base: 7.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 70%
- Percentil entre todas las CVEs puntuadas: 99
- Fecha de la puntuación: 6/10/2026
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).
CISA KEV — explotada activamente
- Añadida al catálogo: 21/1/2022
- Plazo de remediación: 21/7/2022
- Uso conocido en ransomware: Known
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1203Exploitation for Client Executionexecution95 % - Impacto secundario
T1548.002Bypass User Account Controlprivilege escalation85 %
Explotación corregida por reglas (vector CVSS): era T1068
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (15)
Microsoft — Windows 10 1507Microsoft — Windows 10 1607Microsoft — Windows 10 1703Microsoft — Windows 10 1709Microsoft — Windows 10 1803Microsoft — Windows 10 1809Microsoft — Windows 7Microsoft — Windows 8.1Microsoft — Windows RT 8.1Microsoft — Windows Server 1709Microsoft — Windows Server 1803Microsoft — Windows Server 2008Microsoft — Windows Server 2012Microsoft — Windows Server 2016Microsoft — Windows Server 2019
CWE
- NVD-CWE-noinfo
Referencias
- http://packetstormsecurity.com/files/153669/Microsoft-Windows-NtUserSetWindowFNID-Win32k-User-Callback.html
- http://www.securityfocus.com/bid/105467
- http://www.securitytracker.com/id/1041828
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8453
- https://securelist.com/cve-2018-8453-used-in-targeted-attack
- http://packetstormsecurity.com/files/153669/Microsoft-Windows-NtUserSetWindowFNID-Win32k-User-Callback.html
- http://www.securityfocus.com/bid/105467
- http://www.securitytracker.com/id/1041828
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8453
- https://securelist.com/cve-2018-8453-used-in-targeted-attack
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8453
JSON original (NVD)
Mostrar
{
"id": "CVE-2018-8453",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2018-8453",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "active"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2022-01-20T00:00:00+00:00"
}
}
],
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 7.2,
"accessVector": "LOCAL",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"authentication": "NONE",
"integrityImpact": "COMPLETE",
"accessComplexity": "LOW",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "COMPLETE"
},
"acInsufInfo": true,
"impactScore": 10,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.9,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.8,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 1.8
},
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.8,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "secure@microsoft.com",
"affectedData": [
{
"vendor": "Microsoft",
"product": "Windows 7",
"versions": [
{
"status": "affected",
"version": "32-bit Systems Service Pack 1"
},
{
"status": "affected",
"version": "x64-based Systems Service Pack 1"
}
]
},
{
"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 2008",
"versions": [
{
"status": "affected",
"version": "32-bit Systems Service Pack 2"
},
{
"status": "affected",
"version": "32-bit Systems Service Pack 2 (Server Core installation)"
},
{
"status": "affected",
"version": "Itanium-Based Systems Service Pack 2"
},
{
"status": "affected",
"version": "x64-based Systems Service Pack 2"
},
{
"status": "affected",
"version": "x64-based Systems Service Pack 2 (Server Core installation)"
}
]
},
{
"vendor": "Microsoft",
"product": "Windows Server 2019",
"versions": [
{
"status": "affected",
"version": "(Server Core installation)"
}
]
},
{
"vendor": "Microsoft",
"product": "Windows Server 2012",
"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 Server 2016",
"versions": [
{
"status": "affected",
"version": "(Server Core installation)"
}
]
},
{
"vendor": "Microsoft",
"product": "Windows Server 2008 R2",
"versions": [
{
"status": "affected",
"version": "Itanium-Based Systems Service Pack 1"
},
{
"status": "affected",
"version": "x64-based Systems Service Pack 1"
},
{
"status": "affected",
"version": "x64-based Systems Service Pack 1 (Server Core installation)"
}
]
},
{
"vendor": "Microsoft",
"product": "Windows 10",
"versions": [
{
"status": "affected",
"version": "32-bit Systems"
},
{
"status": "affected",
"version": "Version 1607 for 32-bit Systems"
},
{
"status": "affected",
"version": "Version 1607 for x64-based Systems"
},
{
"status": "affected",
"version": "Version 1703 for 32-bit Systems"
},
{
"status": "affected",
"version": "Version 1703 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 x64-based Systems"
},
{
"status": "affected",
"version": "Version 1809 for 32-bit Systems"
},
{
"status": "affected",
"version": "Version 1809 for x64-based Systems"
},
{
"status": "affected",
"version": "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": "2018-10-10T13:29:02.557",
"references": [
{
"url": "http://packetstormsecurity.com/files/153669/Microsoft-Windows-NtUserSetWindowFNID-Win32k-User-Callback.html",
"tags": [
"Exploit",
"Third Party Advisory",
"VDB Entry"
],
"source": "secure@microsoft.com"
},
{
"url": "http://www.securityfocus.com/bid/105467",
"tags": [
"Broken Link",
"Third Party Advisory",
"VDB Entry"
],
"source": "secure@microsoft.com"
},
{
"url": "http://www.securitytracker.com/id/1041828",
"tags": [
"Broken Link",
"Third Party Advisory",
"VDB Entry"
],
"source": "secure@microsoft.com"
},
{
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8453",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "secure@microsoft.com"
},
{
"url": "https://securelist.com/cve-2018-8453-used-in-targeted-attack",
"tags": [
"Exploit",
"Technical Description",
"Third Party Advisory"
],
"source": "secure@microsoft.com"
},
{
"url": "http://packetstormsecurity.com/files/153669/Microsoft-Windows-NtUserSetWindowFNID-Win32k-User-Callback.html",
"tags": [
"Exploit",
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.securityfocus.com/bid/105467",
"tags": [
"Broken Link",
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.securitytracker.com/id/1041828",
"tags": [
"Broken Link",
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8453",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://securelist.com/cve-2018-8453-used-in-targeted-attack",
"tags": [
"Exploit",
"Technical Description",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8453",
"tags": [
"US Government Resource"
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka \"Win32k Elevation of Privilege Vulnerability.\" This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers."
},
{
"lang": "es",
"value": "Existe una vulnerabilidad de elevación de privilegios en Windows cuando el componente Win32k no gestiona adecuadamente los objetos en la memoria. Esto también se conoce como \"Win32k Elevation of Privilege Vulnerability\". Esto afecta a Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10 y Windows 10 Servers."
}
],
"lastModified": "2026-08-13T05:17:19.440",
"cisaActionDue": "2022-07-21",
"cisaExploitAdd": "2022-01-21",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "542DAEEC-73CC-46C6-A630-BF474A3446AC"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "61019899-D7AF-46E4-A72C-D189180F66AB"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_1703:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E1DD582C-1660-4E6E-81A1-537BD1307A99"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AC160B20-3EA0-49A0-A857-4E7A1C2D74E2"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "00345596-E9E0-4096-8DC6-0212F4747A13"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2E332666-2E03-468E-BC30-299816D6E8ED"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C2B1C231-DE19-4B8F-A4AA-5B3A65276E46"
},
{
"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_1709:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "53695559-6E95-43C1-AD7C-1D99473223C2"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_1803:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "37097C39-D588-4018-B94D-5EB87B1E3D5A"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5F422A8C-2C4E-42C8-B420-E0728037E15C"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2ACA9287-B475-4AF7-A4DA-A7143CEF9E57"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A7DF96F8-BA6A-4780-9CA3-F719B3F81074"
},
{
"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_2019:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DB79EE26-FC32-417D-A49C-A1A63165A968"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "secure@microsoft.com",
"cisaRequiredAction": "Apply updates per vendor instructions.",
"cisaVulnerabilityName": "Microsoft Win32k Privilege Escalation Vulnerability"
}