Buffer overflow in the Web Client service (WebClnt.dll) for Microsoft Windows XP SP1 and SP2, and Server 2003 up to SP1, allows remote authenticated users or Guests to execute arbitrary code via crafted RPC requests, a different vulnerability than CVE-2005-1207.
Conclusion & alert: CVE-2006-0013 is rated Moderate Risk (55.3/100): CVSS Medium severity, with high exploitation likelihood (EPSS 54.73%, 98th 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 | 2026-03-15 | 60.72% | 54.73% | -5.99% |
| 2 | 2026-02-12 | 64.09% | 60.72% | -3.37% |
| 3 | 2025-11-12 | — | 64.09% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 2.0 | MEDIUM |
|
8.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | windows_2003_server | datacenter_64-bit | cpe:2.3:o:microsoft:windows_2003_server:datacenter_64-bit:sp1:*:*:*:*:*:* |
| microsoft | windows_2003_server | enterprise | cpe:2.3:o:microsoft:windows_2003_server:enterprise:*:64-bit:*:*:*:*:* |
| microsoft | windows_2003_server | enterprise | cpe:2.3:o:microsoft:windows_2003_server:enterprise:sp1:*:*:*:*:*:* |
| microsoft | windows_2003_server | enterprise_64-bit | cpe:2.3:o:microsoft:windows_2003_server:enterprise_64-bit:*:*:*:*:*:*:* |
| microsoft | windows_2003_server | enterprise_64-bit | cpe:2.3:o:microsoft:windows_2003_server:enterprise_64-bit:sp1:*:*:*:*:*:* |
| microsoft | windows_2003_server | r2 | cpe:2.3:o:microsoft:windows_2003_server:r2:*:64-bit:*:*:*:*:* |
| microsoft | windows_2003_server | r2 | cpe:2.3:o:microsoft:windows_2003_server:r2:*:datacenter_64-bit:*:*:*:*:* |
| microsoft | windows_2003_server | r2 | cpe:2.3:o:microsoft:windows_2003_server:r2:sp1:*:*:*:*:*:* |
| microsoft | windows_2003_server | standard | cpe:2.3:o:microsoft:windows_2003_server:standard:*:64-bit:*:*:*:*:* |
| microsoft | windows_2003_server | standard | cpe:2.3:o:microsoft:windows_2003_server:standard:sp1:*:*:*:*:*:* |
| microsoft | windows_2003_server | standard_64-bit | cpe:2.3:o:microsoft:windows_2003_server:standard_64-bit:*:*:*:*:*:*:* |
| microsoft | windows_2003_server | web | cpe:2.3:o:microsoft:windows_2003_server:web:*:*:*:*:*:*:* |
| microsoft | windows_2003_server | web | cpe:2.3:o:microsoft:windows_2003_server:web:sp1:*:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:*:64-bit:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:*:home:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:gold:professional:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp1:home:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp2:home:*:*:*:*:* |