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Critical 9.8Published May 7, 2026
CVE-2026-8094Other issue in the WebRTC component
Updated under an hour ago ()
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It affects Mozilla Firefox and 9 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2 and Thunderbird 140.10.2.
- CVSS
- 9.8 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-94
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- mozilla
- NVD analysis
- Modified
- Record last updated
- Jul 29, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Mozilla Firefox mozilla:firefox (from the name) | from 140.10.2 not affected | CNA record |
Mozilla Thunderbird mozilla:thunderbird (from the name) | from 140.10.2 not affected | CNA record |
Red Hat Red Hat Enterprise Linux 10 redhat:enterprise_linux | from 0:140.10.2-1.el10_2 not affected | CISA ADP |
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support redhat:enterprise_linux_eus | from 0:140.10.2-1.el10_0 not affected | CISA ADP |
from 0:140.10.2-1.el7_9 not affected | CISA ADP | |
from 0:140.10.2-1.el8_4 not affected | CISA ADP | |
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On redhat:rhel_eus_long_life | from 0:140.10.2-1.el8_4 not affected | CISA ADP |
from 0:140.10.2-1.el8_8 not affected | CISA ADP | |
from 0:140.10.2-1.el8_8 not affected | CISA ADP | |
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support redhat:rhel_eus | from 0:140.10.2-1.el9_6 not affected | CISA ADP |
mozilla firefox mozilla:firefox | before 140.10.2 | NVD |
mozilla thunderbird mozilla:thunderbird | before 140.10.2 | NVD |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2035939permissions-required
- https://www.mozilla.org/security/advisories/mfsa2026-41/vendor-advisory
- https://www.mozilla.org/security/advisories/mfsa2026-44/vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:19160
- https://access.redhat.com/errata/RHSA-2026:20566
- https://access.redhat.com/errata/RHSA-2026:20574
- https://access.redhat.com/errata/RHSA-2026:21381
- https://access.redhat.com/errata/RHSA-2026:22325
- https://access.redhat.com/errata/RHSA-2026:22643
- https://access.redhat.com/errata/RHSA-2026:24508
- https://access.redhat.com/errata/RHSA-2026:24509
- https://access.redhat.com/errata/RHSA-2026:24510
- https://access.redhat.com/errata/RHSA-2026:24511
- https://access.redhat.com/errata/RHSA-2026:24516
- https://access.redhat.com/errata/RHSA-2026:24755
- https://access.redhat.com/errata/RHSA-2026:24983
- https://access.redhat.com/errata/RHSA-2026:25015
- https://access.redhat.com/errata/RHSA-2026:26174
- https://access.redhat.com/errata/RHSA-2026:26268
- https://access.redhat.com/errata/RHSA-2026:26269
- https://access.redhat.com/errata/RHSA-2026:26270
- https://access.redhat.com/errata/RHSA-2026:26521
- https://access.redhat.com/errata/RHSA-2026:26536
- https://access.redhat.com/errata/RHSA-2026:26539
- https://access.redhat.com/security/cve/CVE-2026-8094
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.