CVE-2026-84140
NONE—CVSS v3
—CVSS v2
—
EPSS (exploit probability)
—CWE
Description
Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.
Affected routers (0)
No routers currently mapped to this CVE in our database.