Search: CVE-2026-100816

1 threat

Severity	CVSS	Signals	Threat	Source	Published	Score and star
High	8.1	EPSS 0.2%	CVE-2026-100816Mozilla Firefox · CWE-346 High8.1EPSS 0.2%2026-09-29CVE Database V5CVE-2026-100816 CVE-2026-100816 is a high-severity vulnerability in Mozilla Firefox related to a site isolation issue in the DOM networking component. It allows potential compromise of confidentiality and integrity but does not affect availability. The flaw was fixed in Firefox ESR 153.4 and Firefox 157, as well as Thunderbird 153.4 and 157. EPSS 0.2%Vulnerability CWE-346 #ghsa-g257-qfqp-63c9	CVE Database V5	2026-09-29

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