CVE-2026-8094
Critical
Description
Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2 and Thunderbird 140.10.2.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Mozilla Firefox
PublishedMay 7, 2026
First seenMay 7, 2026
Weakness typeCWE-94Code injection
How to fix
Update
- mozilla firefox140.10.2 or later
- mozilla thunderbird140.10.2 or later
Vendor advisories
- access.redhat.com/errata/RHSA-2026:24983
- access.redhat.com/errata/RHSA-2026:24511
- access.redhat.com/errata/RHSA-2026:26539
- access.redhat.com/errata/RHSA-2026:19160
- access.redhat.com/errata/RHSA-2026:22325
- access.redhat.com/errata/RHSA-2026:20566
- access.redhat.com/errata/RHSA-2026:22643
- access.redhat.com/errata/RHSA-2026:24516
- access.redhat.com/errata/RHSA-2026:26270
- access.redhat.com/errata/RHSA-2026:25015
- access.redhat.com/errata/RHSA-2026:26536
- access.redhat.com/errata/RHSA-2026:24755
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 140.10.2 | 140.10.2 |
| mozilla thunderbird | v < 140.10.2 | 140.10.2 |
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