Description
Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
CVSS 9.6EPSS 0.41700000000000004%Risk 1
View source- Published
- 2026-05-19 14:16:52
- Affected versions
- <151
- Type
- Core software
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H