CVE-2026-69789
HighCVSS 7.5Exploitation Probability (EPSS)
Low risk34th percentile - higher than 34% of all known CVEs
Summary
Heap-based buffer overflow in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent network.
Risk Assessment
An attacker on an adjacent network could exploit this vulnerability to execute code in the context of the driver, potentially leading to system compromise.
Recommendation
Apply the latest security patches for the RMCAST driver and restrict access to multicast networks.
Other vulnerabilities in Reliable Multicast Transport Driver
See all- CVE-2026-78450High
Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a 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)
Heap-based buffer overflow in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

