FKIE_CVE-2011-1226
Vulnerability from fkie_nvd - Published: 2011-04-13 20:26 - Updated: 2026-06-16 23:28
Severity
Summary
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 triggers a NULL pointer dereference, a different vulnerability than other "Vulnerability Type 2" CVEs listed in MS11-034, aka "Win32k Null Pointer De-reference Vulnerability."
References
Impacted products
{
"affected": [
{
"affectedData": [
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"product": "n/a",
"vendor": "n/a",
"versions": [
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"status": "affected",
"version": "n/a"
}
]
}
],
"source": "secure@microsoft.com"
}
],
"configurations": [
{
"nodes": [
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"cpeMatch": [
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],
"negate": false,
"operator": "OR"
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}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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 triggers a NULL pointer dereference, a different vulnerability than other \"Vulnerability Type 2\" CVEs listed in MS11-034, aka \"Win32k Null Pointer De-reference Vulnerability.\""
},
{
"lang": "es",
"value": "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 trav\u00e9s de aplicaciones manipuladas que activan una dereferencia a un puntero nulo, una vulnerabilidad diferente que otra \"Vulnerability Type 2\" CVEs listada en MS11-034, tambi\u00e9n conocida como \"Win32k Null Pointer De-reference Vulnerability.\""
}
],
"evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/476.html\r\n\u0027CWE-476: NULL Pointer Dereference\u0027",
"id": "CVE-2011-1226",
"lastModified": "2026-06-16T23:28:58.173",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.2,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2011-04-13T20:26:25.140",
"references": [
{
"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": "secure@microsoft.com",
"url": "http://osvdb.org/71731"
},
{
"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/47226"
},
{
"source": "secure@microsoft.com",
"url": "http://www.securitytracker.com/id?1025345"
},
{
"source": "secure@microsoft.com",
"tags": [
"US Government Resource"
],
"url": "http://www.us-cert.gov/cas/techalerts/TA11-102A.html"
},
{
"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/66408"
},
{
"source": "secure@microsoft.com",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12613"
},
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},
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"url": "http://osvdb.org/71731"
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"url": "http://secunia.com/advisories/44156"
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"url": "http://support.avaya.com/css/P8/documents/100133352"
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"url": "http://www.securityfocus.com/bid/47226"
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"url": "http://www.securitytracker.com/id?1025345"
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{
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"tags": [
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"url": "http://www.us-cert.gov/cas/techalerts/TA11-102A.html"
},
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"url": "http://www.vupen.com/english/advisories/2011/0952"
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"url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-034"
},
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"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66408"
},
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"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12613"
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],
"sourceIdentifier": "secure@microsoft.com",
"vulnStatus": "Modified",
"weaknesses": [
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"description": [
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"lang": "en",
"value": "NVD-CWE-Other"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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