CVE-2026-92061: Vulnerability in Mozilla Firefox
Incorrect boundary conditions in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
AI Analysis
Technical Summary
This vulnerability involves incorrect boundary conditions in the Process Sandboxing component of Mozilla Firefox, which could potentially lead to privilege escalation or sandbox escape scenarios. The issue was identified and fixed in Firefox 156. The Mozilla advisory classifies the impact as high and includes this vulnerability among multiple others fixed in the same release. No active exploitation has been reported.
Potential Impact
The vulnerability has a high impact rating as per the Mozilla advisory, indicating potential for serious security consequences such as privilege escalation or sandbox escape. However, there are no known exploits in the wild at this time.
Mitigation Recommendations
Users should update to Firefox version 156 or later to remediate this vulnerability. The vendor has released an official fix in Firefox 156. No additional mitigation steps are required beyond applying this update.
CVE-2026-92061: Vulnerability in Mozilla Firefox
Description
Incorrect boundary conditions in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 156 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 incorrect boundary conditions in the Process Sandboxing component of Mozilla Firefox, which could potentially lead to privilege escalation or sandbox escape scenarios. The issue was identified and fixed in Firefox 156. The Mozilla advisory classifies the impact as high and includes this vulnerability among multiple others fixed in the same release. No active exploitation has been reported.
Potential Impact
The vulnerability has a high impact rating as per the Mozilla advisory, indicating potential for serious security consequences such as privilege escalation or sandbox escape. However, there are no known exploits in the wild at this time.
Mitigation Recommendations
Users should update to Firefox version 156 or later to remediate this vulnerability. The vendor has released an official fix in Firefox 156. No additional mitigation steps are required beyond applying this update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-09-15T12:34:22.367Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-90/","vendor":"Mozilla"}]
Threat ID: 6aa93e6755bf5e2cf5d31015
Added to database: 09/15/2026, 12:47:35 UTC
Last enriched: 09/15/2026, 13:02:12 UTC
Last updated: 09/16/2026, 03:24:57 UTC
Views: 9
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