VULNERABILITY INTELLIGENCE

CVE-2021-42976

CVSS score8.8 HIGH

EPSS probability0.48%

CISA KEVNot currently listed

Published2021-12-07

Last modified2026-06-17

Description

NoMachine Enterprise Desktop is affected by Buffer Overflow. IOCTL Handler 0x22001B in the NoMachine Enterprise Desktop above 4.0.346 and below 7.7.4 allow local attackers to execute arbitrary code in kernel mode or cause a denial of service (memory corruption and OS crash) via specially crafted I/O Request Packet.