CVE-2026-124940 · Runtime
NO FIX YET · SEE WHAT TO DO
A bypass of a security mitigation in Firefox's File Handling component was fixed in Firefox 160 and Firefox ESR 153.7. The sources do not say what an attacker can do after bypassing it.
first public Nov 10, 2026 · 1 source
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Who cares browser, firefox
160 for Firefox and 153.7 for Firefox ESR.160153.7Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7.
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