Search: CVE-2026-6786

1 threat

Severity	CVSS	Signals	Threat	Source	Published	Score and star
High	7.5	EPSS 0.5%	CVE-2026-6786Mozilla Firefox · Use After Free High7.5EPSS 0.5%2026-04-21CVE Database V5CVE-2026-6786 Memory safety bugs present in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. EPSS 0.5%Vulnerability CWE-416	CVE Database V5	2026-04-21

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