SEPTEMBER 19, 2026
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Case File

CVE-2026-74946

HIGH · CVSS 8.8 EPSS 0.33%

Source: NVD + CISA KEV + EPSS · Published 2026-08-18 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

A privilege escalation vulnerability exists in the Graphics: CanvasWebGL component of Firefox, allowing attackers to exploit incorrect boundary conditions. This flaw could enable unauthorized access to elevated privileges, potentially compromising user data and system integrity. Organizations using affected versions of Firefox should prioritize applying the updates provided in Firefox 154 and the relevant ESR releases to mitigate this high-severity risk.

CVE
CVE-2026-74946
Severity
HIGH
CVSS
8.8
EPSS
0.33%
Firefox

Original NVD Description

Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

Related CVEs

Other vulnerabilities affecting the same vendor(s)