Live › vulnerability › CVE-2026-117999
Go to dashboardA race condition in Firefox's inter-process communication (IPC) component was fixed in Firefox 159 and Firefox ESR 153.6. The sources do not state what an attacker gains from it.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-27 14:32 UTC. All times on this page are UTC.
Teams that run Firefox or Firefox ESR on managed desktops or servers below the fixed versions. The sources do not say which configurations or inputs trigger the race, so unknown whether any setting removes exposure.
No product ranges from the sources yet.
about:support or the Help menu; unknown whether earlier versions are exposed beyond what is listed here.159 or later.153.6 or later.Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Race condition in the IPC component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.
This page as .md · .json · in your agent: get_signal("CVE-2026-117999")
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