Mozilla Firefox Privilege Escalation Vulnerability in the Application Update Component

Vulnerability

A privilege escalation vulnerability has been identified in the Application Update component of Mozilla Firefox. This issue allows an attacker to gain elevated privileges, potentially leading to unauthorized actions or access within the application. The vulnerability affects Firefox versions prior to 151.

Impact

Exploitation of this vulnerability allows for unauthorized privilege escalation, enabling users to gain elevated rights or access within the application.

Remediation

Users can upgrade to Firefox 151 to address this vulnerability.

Added: May 19, 2026, 2:46 PM
Updated: May 19, 2026, 2:46 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
2.5
exploitability
3.3
remediation
7.7
relevance
8.8
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.