CVE-2026-66804

high Red Hat
CVSS v3 Base Score
7.7
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
EPSS Score
3.0%
Exploitation probability in 30 days
Top 14% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
None
Availability
None
Published: August 13, 2026 (24 days ago)
Last Modified: August 13, 2026
Vendor: Red Hat
Source: REDHAT

Description

Improper access control in Windows Cross Device Service allows an authorized attacker to elevate privileges locally.

CWE

CWE-918

Affected Products

Multicluster Engine for KubernetesRed Hat Advanced Cluster Management for Kubernetes 2

References