Description
Privilege escalation in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
Published: 2026-05-19
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 20 May 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}

ssvc

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

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 20 May 2026 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla thunderbird
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Vendors & Products Mozilla thunderbird

Tue, 19 May 2026 18:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284
CWE-862

Tue, 19 May 2026 17:45:00 +0000

Type Values Removed Values Added
Description Privilege escalation in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 151. Privilege escalation in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
References

Tue, 19 May 2026 16:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-269
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}

ssvc

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


Tue, 19 May 2026 16:15:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Vendors & Products Mozilla
Mozilla firefox

Tue, 19 May 2026 15:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284
CWE-862

Tue, 19 May 2026 13:45:00 +0000

Type Values Removed Values Added
Description Privilege escalation in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 151.
Title Privilege escalation in the WebRTC: Audio/Video component
References

Subscriptions

Mozilla Firefox Thunderbird
cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-05-20T15:38:39.203Z

Reserved: 2026-05-19T12:30:19.409Z

Link: CVE-2026-8972

cve-icon Vulnrichment

Updated: 2026-05-19T14:30:10.922Z

cve-icon NVD

Status : Modified

Published: 2026-05-19T14:16:53.753

Modified: 2026-06-17T11:04:42.460

Link: CVE-2026-8972

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-20T17:45:36Z

Weaknesses