CVE-2026-92014: Vulnerability in Mozilla Firefox
Privilege escalation due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox ESR 115.41, Firefox ESR 140.16, and Thunderbird 140.16.
AI Analysis
Technical Summary
CVE-2026-92014 is a privilege escalation vulnerability in the Graphics component of Mozilla Firefox. The root cause is incorrect boundary conditions, which can be exploited to escalate privileges. Mozilla fixed this vulnerability in Firefox ESR 115.41 and Firefox ESR 140.16. The vendor advisories MFSA 2026-91 and MFSA 2026-92 provide detailed information and confirm the fix. No CVSS score is provided, but the impact is rated high by Mozilla.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to escalate privileges within the Firefox browser, potentially leading to unauthorized actions or access within the browser context. The vendor rates the impact as high. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Mozilla has released official fixes for this vulnerability in Firefox ESR 115.41 and Firefox ESR 140.16. Users should update to these versions or later to remediate the issue. No additional mitigation steps are required beyond applying the official patches.
CVE-2026-92014: Vulnerability in Mozilla Firefox
Description
Privilege escalation due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox ESR 115.41, Firefox ESR 140.16, and Thunderbird 140.16.
CVSS v3.1
Score 8.8high
Affected software
Mozilla
Firefox
Mozilla
Thunderbird
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-92014 is a privilege escalation vulnerability in the Graphics component of Mozilla Firefox. The root cause is incorrect boundary conditions, which can be exploited to escalate privileges. Mozilla fixed this vulnerability in Firefox ESR 115.41 and Firefox ESR 140.16. The vendor advisories MFSA 2026-91 and MFSA 2026-92 provide detailed information and confirm the fix. No CVSS score is provided, but the impact is rated high by Mozilla.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to escalate privileges within the Firefox browser, potentially leading to unauthorized actions or access within the browser context. The vendor rates the impact as high. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Mozilla has released official fixes for this vulnerability in Firefox ESR 115.41 and Firefox ESR 140.16. Users should update to these versions or later to remediate the issue. No additional mitigation steps are required beyond applying the official patches.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-09-15T12:33:33.423Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-91/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-92/","vendor":"Mozilla"}]
Threat ID: 6aa93e5e55bf5e2cf5d30fce
Added to database: 09/15/2026, 12:47:26 UTC
Last enriched: 09/15/2026, 13:32:53 UTC
Last updated: 09/16/2026, 03:08:01 UTC
Views: 7
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