EUVD-2026-30905
GHSA-47hh-w7m9-q45x
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
4DescriptionNVD
Privilege escalation in the DOM: Workers component. This vulnerability was fixed in Firefox 151 and Firefox ESR 140.11.
AnalysisAI
Privilege escalation in Mozilla Firefox's DOM Workers component allows remote attackers to elevate privileges within the browser when a victim interacts with a malicious web page. Affects Firefox versions prior to 151 and Firefox ESR prior to 140.11, with high impact to confidentiality, integrity, and availability. …
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RemediationAI
Within 24 hours: Inventory Firefox installations and current versions in use. Within 7 days: Deploy Firefox 151 and Firefox ESR 140.11 through your patch management system, prioritizing users with network access to sensitive systems. …
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