CVE-2026-12296
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
16/06/2026
Last modified:
16/06/2026
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.