CVE-2026-12448

Estado: AnalizadaAlta (8.8)—

Inappropriate implementation in WebView in Google Chrome on Android prior to 149.0.7827.155 allowed a remote attacker to perform privilege escalation via a crafted HTML page. (Chromium security severity: High)

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Puntuación base: 8.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.26%
Percentil entre todas las CVEs puntuadas: 16
Fecha de la puntuación: 6/10/2026

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.

ExplotaciónT1203 Exploitation for Client Executionexecution90 %
Impacto principalT1068 Exploitation for Privilege Escalationprivilege escalation85 %

Vector CVSS con UI:R (interacción del usuario) requiere que abra una página HTML preparada en Chrome Android. El texto explícita «privilege escalation» como resultado final de explotar la vulnerabilidad de WebView.

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

Application Isolation and Sandboxing Exploit Protection Update Software Threat Intelligence Program Execution Prevention

Tecnologías afectadas (1)

Google — Chrome

CWE

CWE-269

Referencias

JSON original (NVD)

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