SEPTEMBER 17, 2026
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Case File

CVE-2026-75874

CRITICAL · CVSS 10 EPSS 0.46%

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

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
0.46%
Firefox

Original NVD Description

Sandbox escape in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Thunderbird 154, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 140.15, and Thunderbird 153.2.

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