Sep 2026: Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
CVE-2026-78450 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.
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-2026-78450 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2026-78450
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Affected Versions
Microsoft Windows 10 Version 1809:- Version 10.0.17763.0 and below 10.0.17763.9245 is affected.
- Version 10.0.17763.0 and below 10.0.17763.9245 is affected.
- Version 10.0.17763.0 and below 10.0.17763.9245 is affected.
- Version 10.0.20348.0 and below 10.0.20348.5622 is affected.
- Version 10.0.26100.0 and below 10.0.26100.33438 is affected.
- Version 10.0.26100.0 and below 10.0.26100.33438 is affected.