CVE-2026-109755

critical · 9.6

Sandbox escape in the DOM: Content Processes component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.

9.6

CVSS

0.3%

EPSS (exploit prob.)

27th

EPSS percentile

2026-10-13

Published

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

Weaknesses

CWE-693

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-109755