Skip to main content

Mozilla Firefox CVE-2026-8972

| EUVD-2026-30924 HIGH
Improper Privilege Management (CWE-269)
2026-05-19 mozilla GHSA-96x7-hrvx-gqj6
8.8
CVSS 3.1
Share

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Analysis Generated
May 20, 2026 - 17:27 vuln.today
Severity Changed
May 20, 2026 - 17:22 NVD
MEDIUM HIGH
CVSS changed
May 20, 2026 - 17:22 NVD
6.5 (MEDIUM) 8.8 (HIGH)
CVE Published
May 19, 2026 - 12:30 nvd
UNKNOWN (no severity yet)

DescriptionNVD

Privilege escalation in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 151.

AnalysisAI

Privilege escalation in Mozilla Firefox's WebRTC Audio/Video component allows remote attackers to elevate privileges within the browser context when a user is lured into interacting with a malicious page. The flaw carries a CVSS 8.8 with required user interaction and was addressed in Firefox 151; no public exploit identified at time of analysis and EPSS exploitation probability sits at 0.03% (8th percentile).

Sign in for full analysis, threat intelligence, and remediation guidance.

RemediationAI

Within 24 hours: Audit Firefox installations across your environment using endpoint management tools to identify scope and affected users. Within 7 days: Deploy Firefox 151 or later to all endpoints using your patch management system. …

Sign in for detailed remediation steps.

Vendor StatusVendor

Share

CVE-2026-8972 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy