Buffer overflow in the Office Web Components ActiveX Control in Microsoft Office XP SP3, Office 2000 Web Components SP3, Office XP Web Components SP3, BizTalk Server 2002, and Visual Studio .NET 2003 SP1 allows remote attackers to execute arbitrary code via crafted property values, aka "Office Web Components Buffer Overflow Vulnerability."
Conclusion & alert: CVE-2009-1534 is rated High Exploit Risk (81.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 75.43%, 99th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). 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 |
|---|---|---|---|---|
| 16542 | exploit_db | edb | 2010-04-30 | 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 | 2025-03-30 | 84.19% | 75.43% | -8.76% |
| 2 | 2025-03-29 | 75.43% | 84.19% | +8.76% |
| 3 | 2025-03-17 | — | 75.43% | — |
Full EPSS history (24 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 | isa_server | 2004 | cpe:2.3:a:microsoft:isa_server:2004:sp3:enterprise:*:*:*:*:* |
| microsoft | isa_server | 2004 | cpe:2.3:a:microsoft:isa_server:2004:sp3:standard:*:*:*:*:* |
| microsoft | isa_server | 2006 | cpe:2.3:a:microsoft:isa_server:2006:sp1:enterprise:*:*:*:*:* |
| microsoft | isa_server | 2006 | cpe:2.3:a:microsoft:isa_server:2006:sp1:standard:*:*:*:*:* |
| microsoft | office | — | cpe:2.3:a:microsoft:office:-:*:small_business_accounting_2006:*:*:*:*:* |
| microsoft | office | 2003 | cpe:2.3:a:microsoft:office:2003:sp3:*:*:*:*:*:* |
| microsoft | office | xp | cpe:2.3:a:microsoft:office:xp:sp3:*:*:*:*:*:* |
| microsoft | office_web_components | 2000 | cpe:2.3:a:microsoft:office_web_components:2000:sp3:*:*:*:*:*:* |
| microsoft | office_web_components | 2003 | cpe:2.3:a:microsoft:office_web_components:2003:sp1:2007_microsoft_office:*:*:*:*:* |
| microsoft | office_web_components | 2003 | cpe:2.3:a:microsoft:office_web_components:2003:sp3:*:*:*:*:*:* |
| microsoft | office_web_components | xp | cpe:2.3:a:microsoft:office_web_components:xp:sp3:*:*:*:*:*:* |