CVE-2026-92038: Vulnerability in Mozilla Firefox
Mitigation bypass in the Remote Settings Client component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, and Thunderbird 156.
AI Analysis
Technical Summary
This vulnerability involves a mitigation bypass in the Remote Settings Client component of Mozilla Firefox. The issue was resolved by Mozilla in Firefox 156 and Firefox ESR 153.3. The vendor advisory classifies the impact as high and confirms the fix availability in these versions. No active exploits in the wild have been reported for this vulnerability.
Potential Impact
The vulnerability could allow an attacker to bypass security mitigations in the Remote Settings Client component, which may lead to increased risk of exploitation or compromise. The vendor rates the impact as high, indicating significant potential security consequences if unpatched.
Mitigation Recommendations
Mozilla has released an official fix for this vulnerability in Firefox 156 and Firefox ESR 153.3. Users and administrators should update to these versions or later to remediate the issue. No additional mitigation steps are required beyond applying the official update.
CVE-2026-92038: Vulnerability in Mozilla Firefox
Description
Mitigation bypass in the Remote Settings Client component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, and Thunderbird 156.
Affected software
Mozilla
Firefox
Mozilla
Thunderbird
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a mitigation bypass in the Remote Settings Client component of Mozilla Firefox. The issue was resolved by Mozilla in Firefox 156 and Firefox ESR 153.3. The vendor advisory classifies the impact as high and confirms the fix availability in these versions. No active exploits in the wild have been reported for this vulnerability.
Potential Impact
The vulnerability could allow an attacker to bypass security mitigations in the Remote Settings Client component, which may lead to increased risk of exploitation or compromise. The vendor rates the impact as high, indicating significant potential security consequences if unpatched.
Mitigation Recommendations
Mozilla has released an official fix for this vulnerability in Firefox 156 and Firefox ESR 153.3. Users and administrators should update to these versions or later to remediate the issue. No additional mitigation steps are required beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-09-15T12:33:58.600Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-90/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-93/","vendor":"Mozilla"}]
Threat ID: 6aa93e6355bf5e2cf5d30ff6
Added to database: 09/15/2026, 12:47:31 UTC
Last enriched: 09/15/2026, 13:17:41 UTC
Last updated: 09/16/2026, 03:18:32 UTC
Views: 10
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