The Remote Desktop ActiveX control in mstscax.dll in Microsoft Remote Desktop Connection Client 6.1 and 7.0 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code via a web page that triggers access to a deleted object, and allows remote RDP servers to execute arbitrary code via unspecified vectors that trigger access to a deleted object, aka "RDP ActiveX Control Remote Code Execution Vulnerability."
Conclusion & alert: CVE-2013-1296 is rated High Risk (73.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 53.98%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.12% 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 | 2025-10-18 | 51.86% | 53.98% | +2.12% |
| 2 | 2025-03-30 | 63.24% | 51.86% | -11.38% |
| 3 | 2025-03-29 | — | 63.24% | — |
Full EPSS history (15 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 |
|---|---|---|---|
| microsoft | remote_desktop_connection | 6.1 | cpe:2.3:a:microsoft:remote_desktop_connection:6.1:*:*:*:*:*:*:* |
| microsoft | remote_desktop_connection | 7.0 | cpe:2.3:a:microsoft:remote_desktop_connection:7.0:*:*:*:*:*:*:* |