The RACInstaller.StateCtrl.1 ActiveX control in InstallerDlg.dll in RealNetworks GameHouse RealArcade Installer 2.6.0.481 performs unexpected type conversions for invalid parameter types, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via crafted arguments to the (1) AddTag, (2) Ping, (3) QueuePause, (4) QueueRemove, (5) QueueTop, (6) RemoveTag, (7) TagRemoved, or (8) message method.
Conclusion & alert: CVE-2013-2603 is rated High Risk (70.9/100): CVSS Critical severity, with high exploitation likelihood (EPSS 11.81%, 94th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. 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 | 2026-04-10 | 13.71% | 11.81% | -1.90% |
| 2 | 2025-06-05 | 10.58% | 13.71% | +3.13% |
| 3 | 2025-03-30 | — | 10.58% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
: <a href="http://cwe.mitre.org/data/definitions/416.html">CWE-416: Use After Free</a>
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| realnetworks | realarcade_installer | 2.6.0.481 | cpe:2.3:a:realnetworks:realarcade_installer:2.6.0.481:*:*:*:*:*:*:* |