CVE-2018-6400: Kingsoftstore WPS Office Free

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Kingsoft WPS Office Free 10.2.0.5978 allows local users to gain privileges or cause a denial of service by impersonating all the pipes through a use of \\.\pipe\WPSCloudSvr\WpsCloudSvr -- an "insecurely created named pipe." Ensures full access to Everyone users group.

Affected products

• Kingsoftstore WPS Office Free: version 10.2.0.5978 only

Published 2018-03-12. Last modified 2026-06-17.