Windows Shell and WordPad in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7; Microsoft Office XP SP3; Office 2003 SP3; and Office System 2007 SP1 and SP2 do not properly validate COM objects during instantiation, which allows remote attackers to execute arbitrary code via a crafted file, aka "COM Validation Vulnerability."
Conclusion & alert: CVE-2010-1263 is rated High Risk (68.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 47.97%, 97th 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 | 2025-03-30 | 50.96% | 47.97% | -2.99% |
| 2 | 2025-03-29 | 47.97% | 50.96% | +2.99% |
| 3 | 2025-03-17 | — | 47.97% | — |
Full EPSS history (21 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 | office | 2003 | cpe:2.3:a:microsoft:office:2003:sp3:*:*:*:*:*:* |
| microsoft | office | 2007 | cpe:2.3:a:microsoft:office:2007:sp1:*:*:*:*:*:* |
| microsoft | office | 2007 | cpe:2.3:a:microsoft:office:2007:sp2:*:*:*:*:*:* |
| microsoft | office | xp | cpe:2.3:a:microsoft:office:xp:sp3:*:*:*:*:*:* |