A certain ActiveX control in HPTicketMgr.dll in HP Easy Printer Care Software 2.5 and earlier allows remote attackers to download an arbitrary program onto a client machine, and execute this program, via unspecified vectors, a different vulnerability than CVE-2011-2404 and CVE-2011-4786.
Conclusion & alert: CVE-2011-4787 is rated High Risk (72.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 4.46%, 90th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +3.86% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 0.59% | 4.46% | +3.86% |
| 2 | 2025-10-24 | 0.78% | 0.59% | -0.18% |
| 3 | 2025-07-22 | — | 0.78% | — |
Full EPSS history (16 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| hp | easy_printer_care_software | <= 2.5 | cpe:2.3:a:hp:easy_printer_care_software:*:*:*:*:*:*:*:* |