High (7.5) in microsoft windows nt. EPSS 18% chance of exploitation in the next 30 days.
Windows NT 4.0 does not properly shut down invalid named pipe RPC connections, which allows remote attackers to cause a denial of service (resource exhaustion) via a series of connections containing malformed data, aka the "Named Pipes Over RPC" vulnerability.
Severity
CVSS 3.1
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
18% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)