CVE-2026-8094
WebRTC vulnerability; fixed in Firefox ESR 140.10.2 and Thunderbird 140.10.2.
Is CVE-2026-8094 being exploited?
Not confirmed. CVE-2026-8094 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.45% probability of exploitation in the next 30 days.
How severe is CVE-2026-8094?
CVE-2026-8094 is rated Critical with a CVSS score of 9.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-8094?
Yes. A fix has been recorded for CVE-2026-8094. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-8094 affect?
CVE-2026-8094 affects Firefox ESR, Thunderbird, WebRTC component. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-8094?
Update to Firefox ESR 140.10.2 and Thunderbird 140.10.2
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Code injection in WebRTC could enable remote code execution in affected apps.
Patch when possible