AUGUST 21, 2026
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Case File

CVE-2026-75874

CRITICAL · CVSS 10 EPSS 0.40%

Source: NVD + CISA KEV + EPSS · Published 2026-08-18 · Last synced 2026-08-21

CyberRota Analysis

AI-Generated

A sandbox escape vulnerability in the Remote Settings Client component of Firefox could allow an attacker to execute arbitrary code outside the intended security boundaries. Users and organizations relying on Firefox, particularly those using versions prior to 154, should prioritize updating to mitigate potential exploitation risks.

CVE
CVE-2026-75874
Severity
CRITICAL
CVSS
10
EPSS
0.40%
Firefox

Original NVD Description

Sandbox escape in the Remote Settings Client component. This vulnerability was fixed in Firefox 154 and Thunderbird 154.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-74990 CRITICAL CVE-2026-74989 CRITICAL CVE-2026-74988 CRITICAL CVE-2026-74987 CRITICAL CVE-2026-74983 HIGH CVE-2026-74979 CRITICAL