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CVE-2024-7262: Kingsoft WPS Office Path Traversal Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2024-09-03
• EPSS: 3.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-08-15 · updated 2026-06-17
• Weakness: CWE-22

Description

Improper path validation in promecefpluginhost.exe in Kingsoft WPS Office version ranging from 12.2.0.13110 to 12.2.0.16412 (exclusive) on Windows allows an attacker to load an arbitrary Windows library. The vulnerability was found weaponized as a single-click exploit in the form of a deceptive spreadsheet document

Affected products

• Kingsoft WPS Office: from 12.2.0.13110 before 12.2.0.16412 — fixed in 12.2.0.16412

How to fix

Upgrade to a fixed version: Kingsoft WPS Office 12.2.0.16412. Check the vendor advisory for mitigations.

References

• https://www.wps.com/whatsnew/pc/20240422/
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-7262

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