CVE-2025-14323

Published: Dec 9, 2025Modified: Apr 13, 2026

8.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 5.9

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

Privilege escalation in the DOM: Notifications component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.

Affected (5)

Products: Mozilla: Firefox, Thunderbird

Mozilla

2 products

Firefox

Thunderbird

Configuration A

5 vulnerable

Vulnerable Software	Affected Versions
Mozilla Firefox	Before 146.0
Mozilla Firefox	Before 115.31.0
Mozilla Firefox	From 116.0 to 140.6.0
Mozilla Thunderbird	Before 146.0
Mozilla Thunderbird	Before 140.6.0