CVE-2011-1239
Estado: ModificadaAlta (7.2)—
Use-after-free vulnerability in win32k.sys in the kernel-mode drivers 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 allows local users to gain privileges via a crafted application that leverages incorrect driver object management, a different vulnerability than other "Vulnerability Type 1" CVEs listed in MS11-034, aka "Win32k Use After Free 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: 1.45%
- Percentil entre todas las CVEs puntuadas: 73
- 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).
Tecnologías afectadas (6)
CWE
- CWE-399
Referencias
- http://blogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspx
- http://osvdb.org/71754
- http://secunia.com/advisories/44156
- http://support.avaya.com/css/P8/documents/100133352
- http://www.securityfocus.com/bid/47216
- http://www.securitytracker.com/id?1025345
- http://www.us-cert.gov/cas/techalerts/TA11-102A.html
- http://www.vupen.com/english/advisories/2011/0952
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-034
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66421
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11726
- http://blogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspx
- http://osvdb.org/71754
- http://secunia.com/advisories/44156
- http://support.avaya.com/css/P8/documents/100133352
- http://www.securityfocus.com/bid/47216
- http://www.securitytracker.com/id?1025345
- http://www.us-cert.gov/cas/techalerts/TA11-102A.html
- http://www.vupen.com/english/advisories/2011/0952
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-034
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66421
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11726
JSON original (NVD)
Mostrar
{
"id": "CVE-2011-1239",
"cveTags": [],
"metrics": {
"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": false,
"impactScore": 10,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.9,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"affected": [
{
"source": "secure@microsoft.com",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2011-04-13T20:26:25.640",
"references": [
{
"url": "http://blogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspx",
"source": "secure@microsoft.com"
},
{
"url": "http://osvdb.org/71754",
"source": "secure@microsoft.com"
},
{
"url": "http://secunia.com/advisories/44156",
"source": "secure@microsoft.com"
},
{
"url": "http://support.avaya.com/css/P8/documents/100133352",
"source": "secure@microsoft.com"
},
{
"url": "http://www.securityfocus.com/bid/47216",
"source": "secure@microsoft.com"
},
{
"url": "http://www.securitytracker.com/id?1025345",
"source": "secure@microsoft.com"
},
{
"url": "http://www.us-cert.gov/cas/techalerts/TA11-102A.html",
"tags": [
"US Government Resource"
],
"source": "secure@microsoft.com"
},
{
"url": "http://www.vupen.com/english/advisories/2011/0952",
"source": "secure@microsoft.com"
},
{
"url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-034",
"source": "secure@microsoft.com"
},
{
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66421",
"source": "secure@microsoft.com"
},
{
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11726",
"source": "secure@microsoft.com"
},
{
"url": "http://blogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspx",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://osvdb.org/71754",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://secunia.com/advisories/44156",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://support.avaya.com/css/P8/documents/100133352",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.securityfocus.com/bid/47216",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.securitytracker.com/id?1025345",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.us-cert.gov/cas/techalerts/TA11-102A.html",
"tags": [
"US Government Resource"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.vupen.com/english/advisories/2011/0952",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-034",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66421",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11726",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-399"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Use-after-free vulnerability in win32k.sys in the kernel-mode drivers 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 allows local users to gain privileges via a crafted application that leverages incorrect driver object management, a different vulnerability than other \"Vulnerability Type 1\" CVEs listed in MS11-034, aka \"Win32k Use After Free Vulnerability.\""
},
{
"lang": "es",
"value": "Vulnerabilidad liberar después de usar (use-after-free) en win32k.sys en el driver kernel-mode en Microsoft Windows XP SP2 y SP3, Windows Server 2003 SP2, Windows Vista SP1 y SP2, Windows Server 2008 Gold, SP2, R2, y R2 SP1, y Windows 7 Gold y SP1, permite a usuarios locales obtener privilegios a través de aplicaciones manipuladas que aprovecha de la incorrecta gestión del driver, una vulnerabilidad diferente que otra \"Vulnerability Type 1\" CVEs listado en MS11-034, también conocido como \"Win32k Use After Free Vulnerability.\""
}
],
"lastModified": "2026-06-16T23:29:00.083",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2978BF86-5A1A-438E-B81F-F360D0E30C9C"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E33796DB-4523-4F04-B564-ADF030553D51"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_7:-:sp1:x64:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F282E5E8-A5C9-4092-B0BF-07A5A2CAA6F4"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_7:-:sp1:x86:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D16A8D29-57BF-4B74-85F2-24DBD8B52BBF"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4D3B5E4F-56A6-4696-BBB4-19DF3613D020"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2008:*:*:itanium:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7F6EA111-A4E6-4963-A0C8-F9336C605B6E"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2008:*:*:x32:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9CFB1A97-8042-4497-A45D-C014B5E240AB"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2008:*:*:x64:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7F9C7616-658D-409D-8B53-AC00DC55602A"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x32:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B8A32637-65EC-42C4-A892-0E599562527C"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FFF81F4B-7D92-4398-8658-84530FB8F518"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2008:-:sp2:itanium:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7AE15F6C-80F6-43A6-86DA-B92116A697A0"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2008:r2:*:itanium:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CC916D5A-0644-4423-A52E-D4310906BE78"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2008:r2:*:x64:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "95DC297F-06DB-4FB3-BFB6-7312C059E047"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_vista:*:sp1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C162FFF0-1E8F-4DCF-A08F-6C6E324ED878"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0A0D2704-C058-420B-B368-372D1129E914"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CE477A73-4EE4-41E9-8694-5A3D5DC88656"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FFAC3F90-77BF-4F56-A89B-8A3D2D1FC6D6"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "secure@microsoft.com"
}