Live › vulnerability › CVE-2026-117967
Go to dashboardA flaw in the DOM Security component of Firefox lets a page get around a security mitigation. The sources do not say what an attacker can do after bypassing 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.
Anyone running a Firefox build older than 159 or ESR older than 153.6 is potentially affected. The sources do not say whether specific configurations or content are needed to trigger it.
No product ranges from the sources yet.
firefox --version or check About Firefox and compare against 159 or 153.6 for ESR.159 or Firefox ESR to 153.6.Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.
This page as .md · .json · in your agent: get_signal("CVE-2026-117967")
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