CVE-2026-8972

Privilege escalation in the WebRTC: Audio/Video component

High · published May 19, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
36.9
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00437 · 36.9th percentile
Published
2026-05-19T12:30Z
EPSS history
Timeline
  • 19 MAY 12:30Z
    Privilege escalation in the WebRTC: Audio/Video component
    cvelistv5