CVE-2026-8094

CRITICAL

Mozilla Firefox and Thunderbird 140.10.2 - WebRTC Code Injection

Title source: manual

Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2 and Thunderbird 140.10.2.

Core 3

Core References

CVSS v3 9.8

EPSS 0.0002

EPSS Percentile 5.8%

Attack Vector NETWORK

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

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

CWE

CWE-94

Status published

Products (4)

mozilla/firefox < 140.10.2

Mozilla/Firefox 140.10.2

mozilla/thunderbird < 140.10.2

Mozilla/Thunderbird 140.10.2

Published May 07, 2026

Tracked Since May 07, 2026