SEPTEMBER 16, 2026
Live Feed
Back to database
Case File

CVE-2026-92015

HIGH · CVSS 8.8 EPSS 0.27%

Source: NVD + CISA KEV + EPSS · Published 2026-09-15 · Last synced 2026-09-16

CyberRota Analysis

AI-Generated

A privilege escalation vulnerability in the WebExtensions component of Firefox allows attackers to gain elevated permissions, potentially compromising user data and system integrity. Users of affected Firefox versions should prioritize updating to Firefox 156 or the specified ESR versions to mitigate this high-severity risk. Organizations relying on Firefox for web applications and extensions should take immediate action to ensure their environments are secure.

CVE
CVE-2026-92015
Severity
HIGH
CVSS
8.8
EPSS
0.27%
Firefox

Original NVD Description

Privilege escalation in the WebExtensions component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.