CVEvulnerability

CVE-2026-84128

8.8 HIGH Published 2026-09-01 Modified 2026-09-03 Official page ↗
Status
Analyzed
Published
2026-09-01
Last modified
2026-09-03
Assigner
[email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses
CWE-284

Description

Privilege escalation in the WebDriver BiDi component. This vulnerability was fixed in Firefox 155 and Thunderbird 155.

Affected configurations

• mozilla firefox (< 155.0.0) • mozilla thunderbird (< 155.0)

Related

Weakness · CWE (1)

  • CWE-284 Improper Access Control weakness

References