SEPTEMBER 17, 2026
Live Feed
Back to database
Case File

CVE-2026-74940

CRITICAL · CVSS 9.8 EPSS 0.41%

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

CyberRota Analysis

AI-Generated

A use-after-free vulnerability in the Graphics: Text component of Firefox could allow an attacker to execute arbitrary code or cause a denial of service through crafted content. Users of affected Firefox versions should prioritize updating to Firefox 154 or the specified ESR versions to mitigate potential exploitation risks. This issue is particularly relevant for organizations relying on Firefox for secure browsing, as it may expose them to significant security threats.

CVE
CVE-2026-74940
Severity
CRITICAL
CVSS
9.8
EPSS
0.41%
Firefox

Original NVD Description

Use-after-free in the Graphics: Text 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)