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

Mon, 19 Oct 2026 15:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284

Mon, 19 Oct 2026 13:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-693
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sat, 17 Oct 2026 10:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284

Sat, 17 Oct 2026 07:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200
CWE-284

Tue, 13 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Description Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 158. Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.
References

Tue, 13 Oct 2026 16:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200
CWE-284

Tue, 13 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Vendors & Products Mozilla
Mozilla firefox

Tue, 13 Oct 2026 13:00:00 +0000

Type Values Removed Values Added
Description Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 158.
Title Mitigation bypass in the DOM: Security component
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2026-10-13T12:29:27.640Z

Updated: 2026-10-19T12:21:23.302Z

Reserved: 2026-10-13T00:29:51.552Z

Link: CVE-2026-109746

cve-icon Vulnrichment

Updated: 2026-10-19T12:15:50.725Z

cve-icon NVD

Status : Deferred

Published: 2026-10-13T13:17:25.467

Modified: 2026-10-19T13:16:54.240

Link: CVE-2026-109746

cve-icon Redhat

No data.