CVE-2026-87450

Estado: ModificadaAlta (7.5)—

Incorrect authorization in Permissions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to obtain sensitive information via a crafted Chrome extension. (Chromium security severity: Medium)

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Puntuación base: 7.5

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.32%
Percentil entre todas las CVEs puntuadas: 23
Fecha de la puntuación: 5/10/2026

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.

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access85 %
Impacto principalT1552 Unsecured Credentialscredential access75 %
Impacto secundarioT1078 Valid Accountsstealth · persistence · privilege escalation · initial access65 %

CVE-2863 en extensión de Chrome: acceso remoto sin autenticación (AV:N/PR:N) permite obtener información sensible. La ingeniería social + extensión maliciosa exfiltran datos y pueden comprometer credenciales de sesión.

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

Privileged Account Management Active Directory Configuration User Training Password Policies Limit Access to Resource Over Network Filter Network Traffic

Tecnologías afectadas (1)

Google — Chrome

CWE

CWE-863

Referencias

JSON original (NVD)

Mostrar

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