VDB
TNCVE-2026-4687
TNCVE-2026-4687
PUBLISHED
Sandbox escape due to incorrect boundary conditions in the Telemetry component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
Timeline
- Mar 24, 2026 CVE Published
References
- Tenable: CVE-2026-4687 advisory