CVE-2011-1247
Status: ModifiedHigh (9.3)—
Untrusted search path vulnerability in the Microsoft Active Accessibility component in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a Trojan horse DLL in the current working directory, aka "Active Accessibility Insecure Library Loading Vulnerability."
CVSS
- Version: 2.0
- Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
- Base score: 9.3
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 11%
- Percentile among all scored CVEs: 96
- Score date: 10/6/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (6)
CWEs
- NVD-CWE-Other
References
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-075
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13116
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-075
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13116
Raw JSON (NVD)
Show
{
"id": "CVE-2011-1247",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 9.3,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
"authentication": "NONE",
"integrityImpact": "COMPLETE",
"accessComplexity": "MEDIUM",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "COMPLETE"
},
"acInsufInfo": false,
"impactScore": 10,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
]
},
"affected": [
{
"source": "secure@microsoft.com",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
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"status": "affected",
"version": "n/a"
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}
],
"published": "2011-10-12T02:52:43.237",
"references": [
{
"url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-075",
"source": "secure@microsoft.com"
},
{
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"source": "secure@microsoft.com"
},
{
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"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
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"source": "af854a3a-2127-422b-91ae-364da2661108"
}
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"vulnStatus": "Modified",
"weaknesses": [
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"description": [
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"descriptions": [
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"lang": "en",
"value": "Untrusted search path vulnerability in the Microsoft Active Accessibility component in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a Trojan horse DLL in the current working directory, aka \"Active Accessibility Insecure Library Loading Vulnerability.\""
},
{
"lang": "es",
"value": "Una vulnerabilidad de ruta de búsqueda no confiable en el componente Microsoft Active Accessibility en Microsoft Windows XP SP2 y SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2 y R2 SP1, y Windows 7 Gold y SP1 permite a usuarios locales conseguir privilegios a través de un caballo de Troya en una DLL en el directorio actual de trabajo. También conocida como \"vulnerabilidad de carga de biblioteca DLL insegura en Active Accessibility\"."
}
],
"lastModified": "2026-06-16T23:29:01.033",
"configurations": [
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"evaluatorImpact": "Per: http://technet.microsoft.com/en-us/security/bulletin/MS11-075 Access Vector: Network per \"This is a remote code execution vulnerability\"",
"evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/426.html\r\n'CWE-426: Untrusted Search Path'",
"sourceIdentifier": "secure@microsoft.com"
}