7.5

CVE-2026-16399

Site isolation issue in the DOM: Navigation component

Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Mozilla ≫ Firefox Version < 153.0.0
Mozilla ≫ Thunderbird Version < 153.0
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.15% 0.046
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE-346 Origin Validation Error

The product does not properly verify that the source of data or communication is valid.

https://www.mozilla.org/security/advisories/mfsa2026-68/
Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=2049981
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-71/
Vendor Advisory