CVE-2016-2809: Mozilla Firefox

Medium severity, CVSS 5.5. EPSS: 1.7% chance of exploitation in the next 30 days.

The Mozilla Maintenance Service updater in Mozilla Firefox before 46.0 on Windows allows user-assisted remote attackers to delete arbitrary files by leveraging certain local file execution.

Affected products

• Mozilla Firefox: up to and including 45.0.2

Published 2016-04-30. Last modified 2026-06-17.