CVE-2011-1249
The Ancillary Function Driver (AFD) in afd.sys in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly validate user-mode input, which allows local users to gain privileges via a crafted application, aka "Ancillary Function Driver Elevation of Privilege Vulnerability."
CVSS
- Versión: 2.0
- Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
- Puntuación base: 7.2
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 8.42%
- Percentil entre todas las CVEs puntuadas: 95
- Fecha de la puntuación: 7/10/2026
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).
💥 Exploits públicos
Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.
- Publicado en Exploit-DB · Microsoft Windows (x86) - 'afd.sys' Local Privilege Escalation (MS11-046) (18/10/2016)
- Publicado en Exploit-DB · Microsoft Windows - 'afd.sys' Local Kernel (PoC) (MS11-046) (19/4/2012)
- Prueba de concepto en GitHub (no verificada) · Lista de pruebas de concepto en GitHub
⚠️ Las pruebas de concepto de GitHub no están verificadas: algunas son falsas o contienen malware. No las ejecute nunca fuera de un laboratorio aislado.
Tecnologías afectadas (6)
CWE
- CWE-264
Referencias
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-046
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12731
- https://www.exploit-db.com/exploits/40564/
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-046
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12731
- https://www.exploit-db.com/exploits/40564/
JSON original (NVD)
Mostrar
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},
{
"lang": "es",
"value": "La función del controlador auxiliar (AFD)en afd.sys de Microsoft Windows XP SP2 y SP3, Windows Server 2003 SP2, Windows Vista SP1 y SP2, Windows Server 2008 Gold, Service Pack 2, R2 y R2 SP1, y Windows 7 y SP1 no valida correctamente la entrada en modo usuario,lo que permite a usuarios locales conseguir privilegios a través de una aplicación manipulada, también conocido como \"Vulnerabilidad de elebación de privilegios de la función del controlador auxiliar\"\r\n"
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],
"lastModified": "2026-06-16T23:29:01.233",
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