Description
Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153.
Published: 2026-07-21
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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

Wed, 22 Jul 2026 18:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-693
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

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


Wed, 22 Jul 2026 02:45:00 +0000

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

Tue, 21 Jul 2026 12:45:00 +0000

Type Values Removed Values Added
Description Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153.
Title Mitigation bypass in the DOM: Service Workers component
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-07-22T19:18:45.620Z

Reserved: 2026-07-20T21:56:53.743Z

Link: CVE-2026-16382

cve-icon Vulnrichment

Updated: 2026-07-22T17:12:13.728Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-22T02:30:13Z

Weaknesses