CVE-2026-8945

HIGH

Sandbox escape in Firefox and Firefox Focus for Android

Title source: cna
STIX 2.1

Description

Sandbox escape in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 151.

References (5)

Core 5

Scores

CVSS v3 7.5
EPSS 0.0037
EPSS Percentile 29.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-653 CWE-693
Status published
Products (3)
mozilla/firefox < 151.0.0
Mozilla/Firefox 151
mozilla/firefox_focus < 151.0
Published May 19, 2026
Tracked Since May 19, 2026