Search: CVE-2026-100807

1 threat

Severity	CVSS	Signals	Threat	Source	Published	Score and star
High	8.8	EPSS 0.2%	CVE-2026-100807Mozilla Thunderbird · Improper Privilege Management High8.8EPSS 0.2%2026-09-29CVE Database V5CVE-2026-100807 CVE-2026-100807 is a high-severity privilege escalation vulnerability in the DOM Service Workers component of Mozilla Thunderbird and Firefox. It allows an attacker to escalate privileges, impacting confidentiality, integrity, and availability. The issue has been fixed in Thunderbird versions 140.17, 153.4, and 157, as well as Firefox ESR 140.17, ESR 153.4, and Firefox 157. EPSS 0.2%Vulnerability CWE-269	CVE Database V5	2026-09-29

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