CVE-2024-52928

Estado: AnalizadaAlta (8.3)—

Arc before 1.26.1 on Windows has a bypass issue in the site settings that allows websites (with previously granted permissions) to add new permissions when the user clicks anywhere on the website.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
Puntuación base: 8.3

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.47%
Percentil entre todas las CVEs puntuadas: 39
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.

ExplotaciónT1203 Exploitation for Client Executionexecution85 %
Impacto principalT1078.004 Cloud Accountsstealth · persistence · privilege escalation · initial access80 %
Impacto secundarioT1565.001 Stored Data Manipulationimpact70 %

AV:N + UI:R indica ejecución en cliente (T1203). El bypass de permisos permite a sitios web obtener accesos ampliados (credenciales/autorizaciones) y manipular datos del navegador.

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

Active Directory Configuration User Training User Account Management Restrict File and Directory Permissions Privileged Account Management Password Policies

Tecnologías afectadas (1)

Thebrowser — ARC

CWE

CWE-284

Referencias

JSON original (NVD)

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