CVE-2026-8958

HIGH
8.6CVSS v3
CVSS v2
0.06% EPSS (exploit probability)
CWE-668CWE

Description

Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Affected routers (0)

No routers currently mapped to this CVE in our database.

External references