CVE-2025-14323
8.8CVSSHIGH
Description
Privilege escalation in the DOM: Notifications component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:RUser InteractionRequired
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
and 6 more affected products View all →
Exploitability
Official Patch Available
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1996555
bugzilla.mozilla.org
https://www.mozilla.org/security/advisories/mfsa2025-92/
mozilla.org
https://www.mozilla.org/security/advisories/mfsa2025-93/
mozilla.org
and 11 more references View all →
Timeline
Published
Dec 9, 2025
Last Updated
Apr 13, 2026
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