CVE-2026-75874

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

CVE-2026-74942

Privilege escalation in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

CVE-2026-75874 Sandbox escape in the Remote Settings Client component

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

CVE-2026-75874

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

CVE-2026-75874

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

EUVD-2026-60674

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

CVE-2026-75874 Sandbox escape in the Remote Settings Client component

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

CVE-2026-74942

A privilege escalation flaw in Firefox's Remote Settings Client component allows a remote attacker to gain full system access with no authentication and low complexity. CVSS 8.8 (HIGH). CISA's SSVC rates technical impact as total but confirms no active exploitation. Fixed in Firefox 154, Firefox ...

CVE-2026-74942 Privilege escalation in the Remote Settings Client component

Privilege escalation in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

CVE-2026-74942 Privilege escalation in the Remote Settings Client component

Privilege escalation in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

CVE-2026-74942

Privilege escalation in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

EUVD-2026-60749

Privilege escalation in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

PT-2026-77024

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 154 Thunderbird versions prior to 154 Description A sandbox escape exists in the Remote Settings Client component. A sandbox is a security mechanism for separating running programs, ensuring that code executing in a...