CVE-2025-4085CWE-269privilege-escalation

CVE-2025-4085

High · published April 29, 2025

CVSS v3.1
7.1
EPSS
0%
Percentile
21.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00300 · 21.6th percentile
Weakness
CWE-269 · Improper Privilege Management
Published
2025-04-29T18:15Z
Affected products (2)
ProductVersionsFixed in
mozilla/firefox< 138.0138.0
mozilla/thunderbird< 138.0138.0
References (3)
https://bugzilla.mozilla.org/show_bug.cgi?id=1915280 · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-28/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-31/ · [email protected]
EPSS history
Timeline
  • 29 APR 13:13Z
    Potential information leakage and privilege escalation in UITour actor
    cvelistv5