Sep 2026: Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
CVE-2026-69530 Published on September 8, 2026

Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.

Vendor Advisory NVD

Weakness Type

What is a Dangling pointer Vulnerability?

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

CVE-2026-69530 has been classified to as a Dangling pointer vulnerability or weakness.


Products Associated with CVE-2026-69530

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Affected Versions

Microsoft Windows 10 Version 1809: Microsoft Windows Server 2019: Microsoft Windows Server 2019 (Server Core installation): Microsoft Windows Server 2022: Microsoft Windows Server 2025: Microsoft Windows Server 2025 (Server Core installation):