CVE-2026-124938 · Runtime
NO FIX YET · SEE WHAT TO DO
A mitigation bypass in the Firefox Add-ons Manager component was fixed in Firefox 160 and Firefox ESR 153.7. The sources do not say what an attacker gains beyond bypassing a security mitigation.
first public Nov 10, 2026 · 1 source
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Anyone running Firefox below version 160 or Firefox ESR below 153.7 is affected. Sources do not say whether specific configurations or add-ons are required to trigger it.
Not affected if already-updated-firefox
Who cares browsers, firefox
firefox --version160 (Firefox) and 153.7 (Firefox ESR)160153.7Mitigation bypass in the Add-ons Manager component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7.
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