CVE-2026-7321

CRITICAL SEVERITY

CVSS Score & Metrics

Base Score

9.6 / 10

Vector String

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

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

Published Date

April 28, 2026

Last Modified

April 28, 2026

CWE ID

CWE-120

Source

NVD