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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-23808

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.

HIGH 8.1EPSS 0.26%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1
8.1 HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
0.26% probability · 18th percentile
CISA KEV
Not listed
Weakness
CWE-94
Affected
arubanetworks/arubaos
Source
security-alert@hpe.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.