CVE-2026-8094

Other issue in the WebRTC component

Published May 7, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2 and Thunderbird 140.10.2.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DLA Debian DLA DLA-4575-1 firefox-esr security update
Debian DLA Debian DLA DLA-4582-1 thunderbird security update
Debian DSA Debian DSA DSA-6254-1 firefox-esr security update
Debian DSA Debian DSA DSA-6267-1 thunderbird security update
References
Link Providers
https://access.redhat.com/errata/RHSA-2026:19160 cve-icon
https://access.redhat.com/errata/RHSA-2026:20566 cve-icon
https://access.redhat.com/errata/RHSA-2026:20574 cve-icon
https://access.redhat.com/errata/RHSA-2026:21381 cve-icon
https://access.redhat.com/errata/RHSA-2026:22325 cve-icon
https://access.redhat.com/errata/RHSA-2026:22643 cve-icon
https://access.redhat.com/errata/RHSA-2026:24508 cve-icon
https://access.redhat.com/errata/RHSA-2026:24509 cve-icon
https://access.redhat.com/errata/RHSA-2026:24510 cve-icon
https://access.redhat.com/errata/RHSA-2026:24511 cve-icon
https://access.redhat.com/errata/RHSA-2026:24516 cve-icon
https://access.redhat.com/errata/RHSA-2026:24755 cve-icon
https://access.redhat.com/errata/RHSA-2026:24983 cve-icon
https://access.redhat.com/errata/RHSA-2026:25015 cve-icon
https://access.redhat.com/errata/RHSA-2026:26174 cve-icon
https://access.redhat.com/errata/RHSA-2026:26268 cve-icon
https://access.redhat.com/errata/RHSA-2026:26269 cve-icon
https://access.redhat.com/errata/RHSA-2026:26270 cve-icon
https://access.redhat.com/errata/RHSA-2026:26521 cve-icon
https://access.redhat.com/errata/RHSA-2026:26536 cve-icon
https://access.redhat.com/errata/RHSA-2026:26539 cve-icon
https://access.redhat.com/security/cve/CVE-2026-8094 cve-icon
https://bugzilla.mozilla.org/show_bug.cgi?id=2035939 cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=2467706 cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-8094 cve-icon
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8094.json cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-8094 cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-41/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-41/#CVE-2026-8094 cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-44/ cve-icon cve-icon
History
Type Values Removed Values Added
First Time appeared Mozilla thunderbird
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Vendors & Products Mozilla thunderbird
Type Values Removed Values Added
Weaknesses CWE-200
Type Values Removed Values Added
Weaknesses CWE-94
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-200
Type Values Removed Values Added
Description Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2. Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2 and Thunderbird 140.10.2.
References
Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Vendors & Products Mozilla
Mozilla firefox
Type Values Removed Values Added
Description Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2.
Title Other issue in the WebRTC component
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Jul 29, 2026, 12:04 PM
Reserved
May 7, 2026, 12:45 PM
Status
Modified
Published
May 7, 2026, 1:16 PM
Modified
Oct 26, 2026, 9:10 PM
Severity
Important
Public date
May 7, 2026, 12:45 PM