CVE-2026-62816
HighCVSS 8.8Exploitation Probability (EPSS)
Low risk32th percentile - higher than 32% 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 could exploit this vulnerability to execute code remotely on the vulnerable system, potentially leading to full system compromise.
Recommendation
Install the latest Windows security updates for the RMCAST driver.
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-2026-78450High
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.
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