Will a major cloud provider disclose a cross-tenant isolation vulnerability in 2026?

Cross-tenant isolation failures are among the most severe cloud risks. This market tracks whether AWS, Azure, or Google Cloud discloses a vulnerability that could allow one tenant to access another tenant's data or resources in 2026.

Resolution Criteria

Resolves YES if AWS, Microsoft Azure, or Google Cloud publishes a security advisory/bulletin in 2026 describing a cross-tenant isolation vulnerability (tenant-to-tenant data access or resource compromise), corroborated by the provider or reputable researchers. Resolves NO otherwise.