Mitigation Bypass in Networking Component of Mozilla Firefox
CVE-2026-92041

Currently unrated

Key Information:

Vendor: Mozilla
Status: Firefox
Vendor: CVE Published:; 15 September 2026

What is CVE-2026-92041?

A mitigation bypass vulnerability in the DOM: Networking component of Mozilla Firefox has been identified. This flaw allows attackers to potentially exploit the affected versions, compromising the security measures intended to protect users. The flaw was effectively addressed in subsequent updates, specifically in Firefox 156 and Firefox ESR 153.3 to enhance user security.

Affected Version(s)

Firefox 153.3

Firefox 156

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2029482

https://www.mozilla.org/security/advisories/mfsa2026-90/

https://www.mozilla.org/security/advisories/mfsa2026-93/

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Sep 15, 2026
Vulnerability Reserved
Sep 15, 2026

Credit

Atsushi Sada

CVE-2026-92041 Data

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