CVE-2025-53793: Microsoft Azure Stack Hub

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

Improper authentication in Azure Stack allows an unauthorized attacker to disclose information over a network.

Affected products

• Microsoft Azure Stack Hub: from 1.2406.0.8, before 1.2406.1.23 (fixed in 1.2406.1.23); from 1.2408.0.19, before 1.2408.1.50 (fixed in 1.2408.1.50); from 1.2501.0.21, before 1.2501.1.47 (fixed in 1.2501.1.47)

Published 2025-08-12. Last modified 2026-06-17.