CVE-2026-109746

HIGHCVSS 7.3

Description

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.

Timeline

Published:October 13th, 2026 1:17 PM

Last modified:October 19th, 2026 1:16 PM

CVSS Scoring

CVSS v3: 7.3 (HIGH)

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

Weaknesses (CWE)

References & Reports

Advisories, patches, and third-party reports

Source: NIST NVD · Data may lag official sources by up to one minute