CVE-2026-2794: Mozilla Firefox

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

Information disclosure due to uninitialized memory in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 148.

Affected products

• Mozilla Firefox: before 148.0 (fixed in 148.0)

Published 2026-02-24. Last modified 2026-07-15.