Firefox <146 PrivEsc via DOM Notifications
CVE-2025-14323 Published on December 9, 2025
Privilege escalation in the DOM: Notifications component
Privilege escalation in the DOM: Notifications component. This vulnerability affects Firefox < 146, Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
Vulnerability Analysis
CVE-2025-14323 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Products Associated with CVE-2025-14323
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Affected Versions
Mozilla Firefox:- Version unspecified and below 146 is affected.
- Version unspecified and below 115.31 is affected.
- Version unspecified and below 140.6 is affected.
- Version unspecified and below 146 is affected.
- Version unspecified and below 140.6 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.