CVE-2026-124912 is a vulnerability in Mozilla Firefox
Published on November 10, 2026
Spoofing issue in the DOM: Security component
Spoofing issue in the DOM: Security component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7.
Products Associated with CVE-2026-124912
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Affected Versions
Mozilla Firefox:- Version 153.7, <= 153.* is unaffected.
- Version 160, <= * is unaffected.