CVE-2026-8972
Privilege Escalation in Firefox WebRTC Audio/Video
Publication date: 2026-05-19
Last updated on: 2026-05-20
Assigner: Mozilla Corporation
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mozilla | firefox | to 151.0.0 (exc) |
| mozilla | thunderbird | to 151.0.0 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-269 | The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a privilege escalation issue found in the WebRTC Audio/Video component of Firefox. It allows an attacker to gain higher privileges than intended within the affected component. The issue was addressed and fixed in Firefox version 151.
How can this vulnerability impact me? :
The vulnerability could allow an attacker to escalate their privileges within the WebRTC Audio/Video component, potentially leading to unauthorized access or control over audio and video functionalities. This could compromise user privacy or system security if exploited.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this privilege escalation vulnerability in the WebRTC Audio/Video component, you should update Firefox to version 151 or later where the issue is fixed.