Unrated severityNVD Advisory· Published Sep 15, 2026

CVE-2026-92030

Description

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.

Affected products

Mozilla Corporation/Firefox Esrllm-fuzzy
Range: before 140.16 and before 153.3
Mozilla Corporation/Firefoxllm-fuzzy
Range: before 156

Patches

Vulnerability mechanics

References

bugzilla.mozilla.org/show_bug.cginvd
www.mozilla.org/security/advisories/mfsa2026-90/nvd
www.mozilla.org/security/advisories/mfsa2026-92/nvd
www.mozilla.org/security/advisories/mfsa2026-93/nvd

News mentions

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