CVE-2011-1243
Estado: ModificadaAlta (9.3)—
The Windows Messenger ActiveX control in msgsc.dll in Microsoft Windows XP SP2 and SP3 allows remote attackers to execute arbitrary code via unspecified vectors that "corrupt the system state," aka "Microsoft Windows Messenger ActiveX Control Vulnerability."
CVSS
- Versión: 2.0
- Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
- Puntuación base: 9.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 29%
- Percentil entre todas las CVEs puntuadas: 98
- 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 (1)
CWE
- CWE-119
Referencias
- http://osvdb.org/71788
- http://secunia.com/advisories/44159
- http://www.securityfocus.com/bid/47197
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-027
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12524
- http://osvdb.org/71788
- http://secunia.com/advisories/44159
- http://www.securityfocus.com/bid/47197
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-027
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12524
JSON original (NVD)
Mostrar
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"id": "CVE-2011-1243",
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"vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
"authentication": "NONE",
"integrityImpact": "COMPLETE",
"accessComplexity": "MEDIUM",
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"published": "2011-04-13T18:55:01.687",
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"vulnStatus": "Modified",
"weaknesses": [
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"source": "nvd@nist.gov",
"description": [
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"descriptions": [
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"value": "The Windows Messenger ActiveX control in msgsc.dll in Microsoft Windows XP SP2 and SP3 allows remote attackers to execute arbitrary code via unspecified vectors that \"corrupt the system state,\" aka \"Microsoft Windows Messenger ActiveX Control Vulnerability.\""
},
{
"lang": "es",
"value": "El control ActiveX Windows Messenger de msgsc.dll de Microsoft Windows XP SP2 y SP3 permite a atacantes remotos ejcutar código de su elección a través de vectores sin especificar que \"corrompen el estado del sistema\". También conocido como \"Vulnerabilidad del control ActiveX Windows Messenger\"."
}
],
"lastModified": "2026-06-16T23:29:00.617",
"configurations": [
{
"nodes": [
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}