CVE-2026-8945

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

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.4% chance of exploitation in the next 30 days; higher than 30% of CVEs (scores of 2026-10-25)

CWEs

CWE-693, CWE-653

Published

2026-05-19

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• mozilla:firefox
• mozilla:firefox_focus

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=2003171
• https://www.mozilla.org/security/advisories/mfsa2026-46/
• https://access.redhat.com/security/cve/CVE-2026-8945
• https://bugzilla.redhat.com/show_bug.cgi?id=2479863
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8945.json

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