CVE-2026-92032: Vulnerability in Mozilla Firefox
Sandbox escape due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 140.16.
AI Analysis
Technical Summary
This vulnerability involves an invalid pointer in the Graphics component of Mozilla Firefox that enables sandbox escape. The flaw was addressed and fixed in Firefox 156 and Firefox ESR 140.16 and later. Mozilla's security advisories list this issue among multiple high and moderate impact vulnerabilities resolved in these releases. The sandbox escape could allow code running in a restricted environment to gain higher privileges, but no active exploitation has been documented.
Potential Impact
Successful exploitation could allow an attacker to escape the sandbox environment in Firefox, potentially leading to privilege escalation or unauthorized code execution outside the browser's restricted context. However, no active exploitation in the wild has been reported, and the impact is rated moderate by Mozilla.
Mitigation Recommendations
Mozilla has released official fixes for this vulnerability in Firefox 156 and Firefox ESR 140.16. Users and administrators should update to these versions or later to remediate the issue. Since the vulnerability is fixed in these releases, no additional mitigation steps are required beyond applying the official update.
CVE-2026-92032: Vulnerability in Mozilla Firefox
Description
Sandbox escape due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 140.16.
Affected software
Mozilla
Firefox
Mozilla
Thunderbird
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an invalid pointer in the Graphics component of Mozilla Firefox that enables sandbox escape. The flaw was addressed and fixed in Firefox 156 and Firefox ESR 140.16 and later. Mozilla's security advisories list this issue among multiple high and moderate impact vulnerabilities resolved in these releases. The sandbox escape could allow code running in a restricted environment to gain higher privileges, but no active exploitation has been documented.
Potential Impact
Successful exploitation could allow an attacker to escape the sandbox environment in Firefox, potentially leading to privilege escalation or unauthorized code execution outside the browser's restricted context. However, no active exploitation in the wild has been reported, and the impact is rated moderate by Mozilla.
Mitigation Recommendations
Mozilla has released official fixes for this vulnerability in Firefox 156 and Firefox ESR 140.16. Users and administrators should update to these versions or later to remediate the issue. Since the vulnerability is fixed in these releases, no additional mitigation steps are required beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-09-15T12:33:52.430Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-90/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-92/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-93/","vendor":"Mozilla"}]
Threat ID: 6aa93e6255bf5e2cf5d30feb
Added to database: 09/15/2026, 12:47:30 UTC
Last enriched: 09/15/2026, 13:18:07 UTC
Last updated: 09/16/2026, 03:24:29 UTC
Views: 10
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