CVE-2018-6400

CVE-2018-6400 is a high-severity vulnerability in Kingsoftstore Wps Office Free with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

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.

Frequently asked questions

What is CVE-2018-6400?
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.
How severe is CVE-2018-6400?
CVE-2018-6400 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-6400 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-6400?
CVE-2018-6400 affects Kingsoftstore Wps Office Free. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-6400?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-6400 published?
CVE-2018-6400 was published on 2018-03-12 and last updated on 2026-06-17.

References

Affected products (1)