Exploit for CVE-2026-2776

Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.

Published: 2026-02-24

CVSS: 10.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Download Exploit for CVE-2026-2776 here:

Tip: Download official Tor Browser at https://www.torproject.org/download/ to access .onion links.

Check our portfolio:

https://veletacapital.com/exploit-696-cve-2026-3261/

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https://veletacapital.com/exploit-765-cve-2026-3379/

https://veletacapital.com/exploit-16-cve-2026-23997/