Privilege escalation due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
History

Mon, 05 Oct 2026 18:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla thunderbird
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Vendors & Products Mozilla thunderbird

Thu, 17 Sep 2026 12:15:00 +0000


Wed, 16 Sep 2026 14:45:00 +0000

Type Values Removed Values Added
Description Privilege escalation due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, and Thunderbird 156. Privilege escalation due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
References

Tue, 15 Sep 2026 20:15:00 +0000

Type Values Removed Values Added
Description Privilege escalation due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 156 and Firefox ESR 153.3. Privilege escalation due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, and Thunderbird 156.
References

Tue, 15 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-120
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

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


Tue, 15 Sep 2026 14:15:00 +0000

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

Tue, 15 Sep 2026 12:45:00 +0000

Type Values Removed Values Added
Description Privilege escalation due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 156 and Firefox ESR 153.3.
Title Privilege escalation due to incorrect boundary conditions in the Audio/Video component
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2026-09-15T12:34:04.326Z

Updated: 2026-09-16T14:24:38.266Z

Reserved: 2026-09-15T12:34:03.813Z

Link: CVE-2026-92043

cve-icon Vulnrichment

Updated: 2026-09-15T13:30:19.657Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-15T13:16:55.750

Modified: 2026-10-05T17:51:43.257

Link: CVE-2026-92043

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-09-15T12:34:04Z

Links: CVE-2026-92043 - Bugzilla