CVE-2026-78450

Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.

  • Published Sep 8, 2026
  • CVSS 8.1 high
  • 0.7% chance of exploitation in the next 30 days (EPSS)

Affected software

In the news

CVE-2026-78450 at the National Vulnerability Database