Description
Privilege escalation in the DOM: Service Workers component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, and Firefox ESR 153.3.
Published: 2026-09-15
Score: 8.8 High
EPSS: n/a
KEV: No
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

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

Type Values Removed Values Added
Weaknesses CWE-269
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 14:00:00 +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 in the DOM: Service Workers component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, and Firefox ESR 153.3.
Title Privilege escalation in the DOM: Service Workers component
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-09-15T13:45:29.066Z

Reserved: 2026-09-15T12:33:36.513Z

Link: CVE-2026-92017

cve-icon Vulnrichment

Updated: 2026-09-15T13:45:19.207Z

cve-icon NVD

Status : Received

Published: 2026-09-15T13:16:51.403

Modified: 2026-09-15T14:17:57.903

Link: CVE-2026-92017

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-15T13:45:07Z

Weaknesses