Aug 2026: Azure Stack HCI Information Disclosure Vulnerability
CVE-2026-69519 Published on August 20, 2026
Azure Stack HCI Information Disclosure Vulnerability
Observable response discrepancy in Azure Stack HCI allows an unauthorized attacker to disclose information over a network.
Weakness Type
Observable Response Discrepancy
The product provides different responses to incoming requests in a way that reveals internal state information to an unauthorized actor outside of the intended control sphere. This issue frequently occurs during authentication, where a difference in failed-login messages could allow an attacker to determine if the username is valid or not. These exposures can be inadvertent (bug) or intentional (design).
Products Associated with CVE-2026-69519
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