CVE-2026-23808

Client Isolation Bypass via GTK Manipulation

Medium · published March 4, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
17.2
In the wild
Unconfirmed
What it is

A vulnerability has been identified in a standardized wireless roaming protocol that could enable a malicious actor to install an attacker-controlled Group Temporal Key (GTK) on a client device. Successful exploitation of this vulnerability could allow a remote malicious actor to perform unauthorized frame injection, bypass client isolation, interfere with cross-client traffic, and compromise network segmentation, integrity, and confidentiality.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00263 · 17.2th percentile
Published
2026-03-04T16:09Z
EPSS history
Timeline
  • 04 MAR 16:09Z
    Client Isolation Bypass via GTK Manipulation
    cvelistv5