CVE-2026-66792

criticalCVSS 9.9covered by 1 sourcefirst seen 2026-08-17

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.

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Exploitation outlook

Low exploitation risk0.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 25% of all EPSS-scored CVEs.

Advisory coverage (1)

criticalCVE-2026-66792: A flaw was found in the multicloud-operators-subscription component. This vulnerability allows…nvd · 2026-08-17

External references

NVD record for CVE-2026-66792

CVE.org record

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