SEPTEMBER 19, 2026
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Case File

CVE-2026-74982

HIGH · CVSS 7.5 EPSS 0.31%

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

CyberRota Analysis

AI-Generated

A denial-of-service vulnerability exists in the Widget component of Firefox, potentially impacting the availability of the browser. Users of affected versions should prioritize updating to Firefox 154 or Firefox ESR 153.1 to mitigate the risk of service disruption. Organizations relying on Firefox for critical operations should address this issue promptly to maintain system stability.

CVE
CVE-2026-74982
Severity
HIGH
CVSS
7.5
EPSS
0.31%
Firefox

Original NVD Description

Denial-of-service in the Widget component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

Related CVEs

Other vulnerabilities affecting the same vendor(s)