CVE-2026-78450
HighCVSS 8.1Exploitation Probability (EPSS)
Low risk43th percentile - higher than 43% of all known CVEs
Summary
Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.
Risk Assessment
An unauthorized attacker could remotely execute code in kernel context, potentially leading to full system compromise.
Recommendation
Apply the latest security updates for Windows.
Other vulnerabilities in Reliable Multicast Transport Driver
See all- CVE-2026-69789High
Heap-based buffer overflow in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent network.
- CVE-2026-78449High
Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.
- CVE-2026-62816High
Heap-based buffer overflow in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent network.
Original NVD description (English source)
Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS