CVE-2026-8972
published 2026-05-19CVE-2026-8972: Privilege escalation in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
PriorityP346high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.33%
25.1th percentile
Privilege escalation in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| mozilla | firefox | < Firefox 151 | Firefox 151 |
| mozilla | firefox | < 151.0.0 | 151.0.0 |
| mozilla | thunderbird | < Thunderbird 151 | Thunderbird 151 |
| mozilla | thunderbird | < 151.0.0 | 151.0.0 |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
vendor_redhat8.8HIGH
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GHSA
GHSA-96x7-hrvx-gqj6: Privilege escalation in the WebRTC: Audio/Video component
ghsa_unreviewed·2026-05-19
CVE-2026-8972 [MEDIUM] CWE-269 GHSA-96x7-hrvx-gqj6: Privilege escalation in the WebRTC: Audio/Video component
Privilege escalation in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 151.
VulDB
Mozilla Firefox up to 150 Audio/Video Remote Code Execution (EUVD-2026-30924)
vuldb·2026-05-19·CVSS 6.5
CVE-2026-8972 [MEDIUM] Mozilla Firefox up to 150 Audio/Video Remote Code Execution (EUVD-2026-30924)
A vulnerability labeled as critical has been found in Mozilla Firefox up to 150. Affected is an unknown function of the component Audio/Video. Such manipulation leads to Remote Code Execution.
This vulnerability is uniquely identified as CVE-2026-8972. The attack can be launched remotely. No exploit exists.
The affected component should be upgraded.
Red Hat
firefox: thunderbird: Privilege escalation in the WebRTC: Audio/Video component
vendor_redhat·2026-05-19·CVSS 8.8
CVE-2026-8972 [HIGH] CWE-266 firefox: thunderbird: Privilege escalation in the WebRTC: Audio/Video component
firefox: thunderbird: Privilege escalation in the WebRTC: Audio/Video component
Privilege escalation in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue:
Privilege escalation in the WebRTC: Audio/Video component
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.
Package: firefox (Red Hat Enterprise Linux 10) - Not affected
Package: rhel10/firefox-flatpak (Red Hat Enterprise Linux 10) - Not affected
Package: rhel10/thunderbird-flatpak (Red Hat Enterprise Linux 10) - Not affected
Package: thunderbird (Red Hat Enterprise Linux 10) - Not affected
Mozilla
Mozilla Foundation Security Advisory 2026-46: CVE-2026-8972
vendor_mozilla·CVSS 6.5
CVE-2026-8972 [MEDIUM] Mozilla Foundation Security Advisory 2026-46: CVE-2026-8972
Mozilla Foundation Security Advisory 2026-46
CVE: CVE-2026-8972
Product: Firefox
Impact: high
Fixed in: Firefox 151
Mozilla
Mozilla Foundation Security Advisory 2026-50: CVE-2026-8972
vendor_mozilla·CVSS 6.5
CVE-2026-8972 [MEDIUM] Mozilla Foundation Security Advisory 2026-50: CVE-2026-8972
Mozilla Foundation Security Advisory 2026-50
CVE: CVE-2026-8972
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 151
No detection rules found.
No public exploits indexed.
2026-05-19
Published