CVE-2026-54995CWE-416

Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability

High · published July 14, 2026

CVSS v3.1
8.1
EPSS
1%
Percentile
55.9
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00792 · 55.9th percentile
Weakness
CWE-416 · Use After Free
Published
2026-07-14T17:04Z
EPSS history
Timeline
  • 14 JUL 17:04Z
    Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
    cvelistv5