CVE-2026-92041: Mitigation bypass in the DOM: Networking component
Published Sep 15, 2026
·Updated
Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 156 and Firefox ESR 153.3.
Affected Software
2 affected components
Firefox>0<156
Firefox ESR>0<153.3
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Mozilla Firefoxto a version that resolves this vulnerability.Fixed in 156 - Upgrade
Upgrade
Mozilla Firefox ESRto a version that resolves this vulnerability.Fixed in 153.3
Event History
Sep 15, 2026
CVE Published
via MITRE·12:34 PM
Data Sourced
via MITRE·12:34 PM
Description
Frequently Asked Questions
1
Which Firefox releases contain the fix?
The issue was fixed in Firefox 156 and Firefox ESR 153.3.
2
Which products should be assessed for exposure?
Assess installations of Firefox and Firefox ESR. The provided information does not identify affected earlier version ranges.