Advisory Details

June 10th, 2025

Microsoft Windows Remote Desktop Gateway Service Null Pointer Dereference Denial-of-Service Vulnerability

CVE ID	CVE-2025-30394
CVSS SCORE	8.6, AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Windows
VULNERABILITY DETAILS	This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Microsoft Windows. Authentication is not required to exploit this vulnerability. The specific flaw exists within the Remote Desktop Gateway service. The issue results from dereferencing a null pointer. An attacker can leverage this vulnerability to create a denial of service condition on remote desktop hosts behind the gateway.
ADDITIONAL DETAILS	Microsoft has issued an update to correct this vulnerability. More details can be found at: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30394
DISCLOSURE TIMELINE	2025-05-02 - Vulnerability reported to vendor 2025-06-10 - Coordinated public release of advisory 2025-06-10 - Advisory Updated
CREDIT	Anonymous

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