Description
Sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVSS 9.6EPSS 0.393%Risk 0.99
View source- Published
- 2026-06-16 13:16:29
- Affected versions
- <152, <140.12
- Type
- Web application
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H