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vulnerabilities
Multiple vulnerabilities in Mozilla Firefox (October 27, 2026)
Multiple vulnerabilities were discovered in Mozilla Firefox that allow an attacker to compromise data integrity and bypass security policy controls. The vulnerabilities were disclosed on October 27, 2026.
Why it matters: Firefox users face immediate risk of data integrity attacks and security mechanism bypass; practitioners should prioritize patching to protect endpoints running the browser.
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- First seen by Cybersecurity Tracker