CVE-2026-0881
CRITICAL10.0CVSS v3
—CVSS v2
0.03%
EPSS (exploit probability)
CWE-284CWE
Description
Sandbox escape in the Messaging System component. This vulnerability was fixed in Firefox 147 and Thunderbird 147.
CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected routers (0)
No routers currently mapped to this CVE in our database.