CVE-2015-2720: Mozilla Firefox

Medium severity, CVSS 4.4. EPSS: 0.3% chance of exploitation in the next 30 days.

The update implementation in Mozilla Firefox before 38.0 on Windows does not ensure that the pathname for updater.exe corresponds to the application directory, which might allow local users to gain privileges via a Trojan horse file.

Affected products

• Mozilla Firefox: up to and including 37.0.2

Published 2015-05-14. Last modified 2026-06-17.