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
Conclusion & alert: CVE-2024-7262 is rated Critical Active Threat (94.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 10.29%, 93th percentile). Core evidence: CISA KEV confirms active exploitation (added 2024-09-03) affecting Kingsoft / WPS Office. a weakness (CWE-22) Unauthenticated remote administrative access may be possible. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
: Kingsoft WPS Office Path Traversal Vulnerability · CISA KEV detail
: 2024-09-03
: 2024-09-24
: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-27 | 10.54% | 10.29% | -0.25% |
| 2 | 2026-05-22 | 12.36% | 10.54% | -1.83% |
| 3 | 2026-03-26 | — | 12.36% | — |
Full EPSS history (36 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 4.0 | CRITICAL |
|
— | — | [email protected] |
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| kingsoft | wps_office | >= 12.2.0.13110, < 12.2.0.16412 | cpe:2.3:a:kingsoft:wps_office:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.wps.com/whatsnew/pc/20240422/ | Vendor Advisory |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-7262 | US Government Resource |