Mozilla Exploited Vulnerabilities

Mozilla vulnerabilities known to be exploited. Over the past 365 days, sorted by exploit discovery date.

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Sandbox Escape Vulnerability in Mozilla Firefox
CVE-2026-4692
MozillaFirefox👾🟡9.6CRITICAL
Sandbox Escape Vulnerability in Firefox Navigation Component
CVE-2026-12295
MozillaFirefox👾🟡9.6CRITICAL
Privilege Escalation Vulnerability in Mozilla Firefox Navigation Component
CVE-2026-74939
MozillaFirefox👾🟡8.8HIGH
Remote Code Execution Vulnerability in Mozilla Firefox
CVE-2026-15718
MozillaFirefox👾🟡4.3MEDIUM
JIT Miscompilation in JavaScript Component Affecting Mozilla Firefox
CVE-2026-2796
MozillaFirefox🥇📈👾🟡9.8CRITICAL
Information Disclosure in Firefox and Firefox ESR Products by Mozilla
CVE-2026-6765
MozillaFirefox👾🟡5.3MEDIUM
Site Isolation Flaw in Firefox Graphics Component
CVE-2026-74970
MozillaFirefox👾🟡5.4MEDIUM
Information Disclosure in Firefox's Graphics: Text Component
CVE-2026-74945
MozillaFirefox👾🟡6.5MEDIUM
Use-After-Free Vulnerability in Firefox ImageLib Component
CVE-2026-74943
MozillaFirefox👾🟡9.8CRITICAL
Use-After-Free Vulnerability in Firefox Browser by Mozilla
CVE-2026-2766
MozillaFirefox👾🟡9.8CRITICAL
Use-After-Free Vulnerability in Mozilla Firefox JavaScript Engine
CVE-2026-2764
MozillaFirefox👾🟡9.8CRITICAL
JIT Miscompilation Vulnerability in Firefox by Mozilla
CVE-2026-10702
MozillaFirefox🥇📈👾🟡📰4.3MEDIUM