A use after free in the TextBox field Mouse Enter action in IReader_ContentProvider can occur for specially crafted PDF files in Foxit Reader SDK (ActiveX) Professional 5.4.0.1031. An attacker can leverage this to gain remote code execution. Relative to CVE-2018-19444, this has a different free location and requires different JavaScript code for exploitation.
Conclusion & alert: CVE-2018-19452 is rated Moderate Risk (63.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.90%). Core evidence: EPSS rose +2.57% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2026-06-15 | 0.33% | 2.90% | +2.57% |
| 2 | 2026-04-03 | 0.43% | 0.33% | -0.11% |
| 3 | 2026-03-07 | — | 0.43% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.0 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| foxitsoftware | foxit_pdf_sdk_activex | <= 5.5.0 | cpe:2.3:a:foxitsoftware:foxit_pdf_sdk_activex:*:*:*:*:professional:*:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/108692 | Third Party Advisory VDB Entry |
| https://www.foxitsoftware.com/support/security-bulletins.php | Patch Vendor Advisory |