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CVE-2026-12313

Firefox

Description

Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

CVSS 4.7EPSS 0.17500000000000002%Risk 0.48
View source
Published
2026-06-16 13:16:31
Affected versions
<152
Type
Web application
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N