PatchGap
Firefox · Core

CVE-2026-75874

Sandbox Escape in Core
High firefox Sandbox Escape

Overview

High
Severity
—
CVSS
No
Exploited ITW
Embargoed
Fix Status
Impacthigh
DescriptionSandbox escape in the Remote Settings Client component
ComponentCore
Bug ClassSandbox Escape
Tracker2039972
CISA KEVNot listed
Creditedcrixer
Disclosed2026-08-18

Fix not yet public

No public source fix for this bug has been identified on the main branch yet — it is embargoed or not yet disclosed. Root-cause analysis is withheld until the fix commit is available.
On This Page