CVE-2026-106237
Information leak in Permissions in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to bypass site isolation via a crafted HTML page. (Chromium security severity: Low)
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L
- Puntuación base: 9.6
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.18%
- Percentil entre todas las CVEs puntuadas: 7
- 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).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1203Exploitation for Client Executionexecution85 % - Impacto principal
T1005Data from Local Systemcollection80 %
Vector CVSS con UI:R indica interacción del usuario (HTML crafted) ejecutándose en cliente. CWE-200 (información leak) y descripción confirman acceso a datos sensibles de otras sitios (site isolation bypass).
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
CWE
- CWE-200
Referencias
JSON original (NVD)
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"affectedData": [
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"version": "155.0.8059.39",
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"versionType": "custom"
}
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}
],
"published": "2026-10-06T19:17:50.577",
"references": [
{
"url": "https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html",
"tags": [
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"Vendor Advisory"
],
"source": "chrome-cve-admin@google.com"
},
{
"url": "https://issues.chromium.org/issues/553255283",
"tags": [
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"source": "chrome-cve-admin@google.com"
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"value": "Information leak in Permissions in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to bypass site isolation via a crafted HTML page. (Chromium security severity: Low)"
}
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"lastModified": "2026-10-07T15:15:55.293",
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