CVE-2026-92038
Received Received - Intake

Remote Settings Client Mitigation Bypass in Firefox

Vulnerability report for CVE-2026-92038, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-15

Last updated on: 2026-09-15

Assigner: Mozilla Corporation

Description

Mitigation bypass in the Remote Settings Client component. This vulnerability was fixed in Firefox 156 and Firefox ESR 153.3.

CVSS Scores

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Meta Information

Published
2026-09-15
Last Modified
2026-09-15
Generated
2026-09-15
AI Q&A
2026-09-15
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
mozilla firefox 156
mozilla firefox_esr 153.3

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

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Executive Summary

This is a mitigation bypass vulnerability in the Remote Settings Client component of Firefox. It allows attackers to bypass security measures that were meant to protect the system. The issue was resolved in Firefox version 156 and Firefox ESR version 153.3.

Impact Analysis

If exploited, this vulnerability could allow unauthorized access or control over affected systems. Attackers might bypass security controls to steal data, install malware, or perform other malicious activities. Users running vulnerable versions of Firefox or Firefox ESR are at risk.

Compliance Impact

The provided CVE data does not specify how this vulnerability affects compliance with standards like GDPR or HIPAA. The description only mentions a mitigation bypass in the Remote Settings Client component fixed in Firefox 156 and Firefox ESR 153.3.

Mitigation Strategies

Update Firefox to version 156 or later and Firefox ESR to version 153.3 or later to address the mitigation bypass in the Remote Settings Client component.

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