SEPTEMBER 18, 2026
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Case File

CVE-2026-74971

MEDIUM · CVSS 4.3 EPSS 0.26%

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

CyberRota Analysis

AI-Generated

A vulnerability in the UI Events and Focus Handling component of Firefox allows for potential information disclosure through the Document Object Model (DOM). Users of affected versions should prioritize updating to Firefox 154, Firefox ESR 140.14, or Firefox ESR 153.1 to mitigate the risk of sensitive data exposure. This issue is particularly relevant for organizations relying on Firefox for secure browsing.

CVE
CVE-2026-74971
Severity
MEDIUM
CVSS
4.3
EPSS
0.26%
Firefox

Original NVD Description

Information disclosure in the DOM: UI Events & Focus Handling component. This vulnerability was fixed in Firefox 154, 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)

CVE-2026-84642 HIGH CVE-2026-84641 HIGH CVE-2026-84640 HIGH CVE-2026-84639 CRITICAL CVE-2026-84637 CRITICAL CVE-2026-84145 HIGH