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HIGH 7.1

CVE-2025-4085

An attacker with control over a content process could potentially leverage the privileged UITour actor to leak sensitive information or escalate privileges. This vulnerability was fixed in Firefox 138 and Thunderbird 138.

CVSS v3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
EPSS 0.2% percentile 40.3%

Affected tracked apps

Vulnerable CPE configurations

Vendor Product Platform Versions CPE 2.3 URI
mozilla thunderbird Windows <138.0 cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*
View on NVD ↗