CVE-2018-9151

5.5 mediumEPSS 0.3%

A NULL pointer dereference bug in the function ObReferenceObjectByHandle in the Kingsoft Internet Security 9+ kernel driver KWatch3.sys allows local non-privileged users to crash the system via IOCTL 0x80030030.

Severity

CVSS 3.0

5.5 medium

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 20% of CVEs (scores of 2026-10-31)
CWE: CWE-476
Published: 2018-03-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

kingsoft:internet_security_9_plus

References

http://seclists.org/fulldisclosure/2018/Mar/78
http://seclists.org/fulldisclosure/2018/Mar/78

Check your stack JSON