CVE-2026-92030 is a vulnerability in Mozilla Firefox
Published on September 15, 2026
Mitigation bypass in the DOM: Copy & Paste and Drag & Drop component
Mitigation bypass in the DOM: Copy & Paste and Drag & Drop component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, and Firefox ESR 153.3.
Products Associated with CVE-2026-92030
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Affected Versions
Mozilla Firefox:- Version 140.16, <= 140.* is unaffected.
- Version 153.3, <= 153.* is unaffected.
- Version 156, <= * is unaffected.