Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

No data.

No data.

No data.

No data.

References
Link Providers
https://bugzilla.mozilla.org/show_bug.cgi?id=2016915 cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-30/ cve-icon cve-icon
History

Tue, 21 Apr 2026 14:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-693
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 21 Apr 2026 13:15:00 +0000

Type Values Removed Values Added
Description Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150.
Title Mitigation bypass in the DOM: Security component
References
cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-04-21T14:01:09.298Z

Reserved: 2026-04-21T12:41:05.633Z

Link: CVE-2026-6774

cve-icon Vulnrichment

Updated: 2026-04-21T14:00:58.738Z

cve-icon NVD

Status : Received

Published: 2026-04-21T13:16:23.173

Modified: 2026-04-21T13:16:23.173

Link: CVE-2026-6774

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.