Mitigation Bypass Vulnerability in Firefox's Copy & Paste and Drag & Drop Components

CVE-2026-92030

What is CVE-2026-92030?

A vulnerability identified in Firefox's Copy & Paste and Drag & Drop components allows bypassing intended mitigation strategies. This vulnerability affects multiple versions of Firefox, specifically versions 156, 140.16 of Firefox ESR, and 153.3 of Firefox ESR. The issue was addressed by Mozilla through security updates, which aim to enhance the integrity and security of these components. Users are strongly encouraged to update to the latest versions to ensure protection against potential exploitation.

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