Exploit for CVE-2026-2771

Undefined behavior in the DOM: Core & HTML component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.

Published: 2026-02-24

CVSS: 9.8

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

Download Exploit for CVE-2026-2771 here:

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Check our portfolio:

https://veletacapital.com/exploit-142-cve-2026-25632/

https://veletacapital.com/exploit-221-cve-2026-2223/

https://veletacapital.com/exploit-678-cve-2026-27495/