The document processing application used by the Windows Shell in Microsoft Windows 2000, Windows XP, and Windows Server 2003 allows remote attackers to execute arbitrary code by modifying the CLSID stored in a file so that it is processed by HTML Application Host (MSHTA), as demonstrated using a Microsoft Word document.
Conclusion & alert: CVE-2005-0063 is rated High Exploit Risk (82/100): CVSS High severity, with high exploitation likelihood (EPSS 69.79%, 99th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.45% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 938 | exploit_db | edb | 2005-04-14 | Exploit-DB ↗ |
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 | 2025-12-28 | 67.34% | 69.79% | +2.45% |
| 2 | 2025-12-27 | 69.79% | 67.34% | -2.45% |
| 3 | 2025-10-28 | — | 69.79% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | windows_2000 | — | cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:* |
| microsoft | windows_2000 | — | cpe:2.3:o:microsoft:windows_2000:*:sp1:*:*:*:*:*:* |
| microsoft | windows_2000 | — | cpe:2.3:o:microsoft:windows_2000:*:sp2:*:*:*:*:*:* |
| microsoft | windows_2000 | — | cpe:2.3:o:microsoft:windows_2000:*:sp3:*:*:*:*:*:* |
| microsoft | windows_2000 | — | cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:* |
| microsoft | windows_2003_server | enterprise | cpe:2.3:o:microsoft:windows_2003_server:enterprise:*:64-bit:*:*:*:*:* |
| microsoft | windows_2003_server | r2 | cpe:2.3:o:microsoft:windows_2003_server:r2:*:64-bit:*:*:*:*:* |
| microsoft | windows_2003_server | standard | 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_98 | — | cpe:2.3:o:microsoft:windows_98:*:gold:*:*:*:*:*:* |
| microsoft | windows_98se | — | cpe:2.3:o:microsoft:windows_98se:*:*:*:*:*:*:*:* |
| microsoft | windows_me | — | cpe:2.3:o:microsoft:windows_me:*:*:*:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:*:home:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:*:media_center:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:gold:professional:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp1:64-bit:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp1:home:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp1:media_center:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp2:home:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp2:media_center:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp2:tablet_pc:*:*:*:*:* |