SEPTEMBER 19, 2026
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Case File

CVE-2026-74957

HIGH · CVSS 8.1 EPSS 0.30%

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

CyberRota Analysis

AI-Generated

A mitigation bypass vulnerability in the Safe Browsing component of Firefox could allow attackers to circumvent security measures designed to protect users from malicious content. Organizations and users relying on Firefox versions prior to 154, Firefox ESR 140.14, and Firefox ESR 153.1 should prioritize updating to these fixed versions to safeguard against potential exploitation.

CVE
CVE-2026-74957
Severity
HIGH
CVSS
8.1
EPSS
0.30%
Firefox

Original NVD Description

Mitigation bypass in the Safe Browsing 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