CVE Watch15 jul 2026

CVE-2026-12297

Sandbox escape due to incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 152, Firefox ESR 14

CVSS

9.6

Crítico

EPSS

0.4%

p32

KEV

—

Exploit Today

0-100

Publicado: 16 jun 2026 · Última mod.: 15 jul 2026 · CWE-119 · CWE-653

EPSS · 30d

0.4%EPSS · 30 días0.4%

2026-06-302026-07-21

Descripción técnica

Sandbox escape due to incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

Referencias oficiales

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