CVE-2026-7321

Critical

Published: 28/04/2026(UTC)Translated: 14/06/2026(UTC)NVD NIST

Summary

CVE-2026-7321 is a vulnerability related to incorrect boundary conditions in the WebRTC networking component, leading to a sandbox escape.

Risk Assessment

Exploitation of this vulnerability could allow an attacker to gain unauthorized access to the system, posing a serious security threat to the organization.

Recommendation

It is recommended to update to Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, or Thunderbird 140.10.1 to mitigate this vulnerability.

Original NVD description (English source)

Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, and Thunderbird 140.10.1.