Vulnerability intelligence

CVE-2026-66792

Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.11 CWE-863

A flaw was found in the multicloud-operators-subscription component. This vulnerability allows a user on a managed cluster to escalate their privileges by creating a Subscription with specific, crafted annotations. Successful exploitation grants the attacker the ability to deploy resources into any namespace with the elevated permissions of the controller's Service Account, potentially leading to unauthorized access and control over cluster resources.

CVSS Score

9.9

Critical

EPSS — Exploit Probability

0.7%

Riskier than 51% of all CVEs · checked 2026-10-02

Exploitation

Not in CISA KEV

KEV does not include every exploited vulnerability

Remediation

unknown

Check vendor advisories