VDB
CVE-2026-92065
CVE-2026-92065
PUBLISHED
Reported by mozilla · Published September 15, 2026
Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
EPSS 0.14% · 4.0th percentile
Risk Scores
EPSS Score
0.14%
4.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | 153.3, 156 |
| Mozilla | Thunderbird | 153.3, 156 |
| Mozilla | Firefox | 153.3, 156, 153.3 |
| Mozilla | Thunderbird | 153.3, 156, 156 |
Timeline
- Sep 15, 2026 Coalition ESS Score
- Sep 15, 2026 CVE Published
- Sep 16, 2026 EPSS Score
- Sep 16, 2026 CVE Updated