high8.1
CVE-2026-78450
Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.
Impact
Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows 10 1809 | before 10.0.17763.9245 |
| Microsoft | Windows Server 2019 | before 10.0.17763.9245 |
| Microsoft | Windows Server 2022 | before 10.0.20348.5622 |
| Microsoft | Windows Server 2025 | before 10.0.26100.33438 |