Microsoft Office Excel 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Office Excel Viewer SP1 and SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 do not properly parse the Excel file format, which allows remote attackers to execute arbitrary code via a crafted spreadsheet that causes memory to be interpreted as a different object type than intended, aka "Microsoft Office Excel Sheet Object Type Confusion Vulnerability."
Conclusion & alert: CVE-2010-0258 is rated Moderate Risk (60.9/100): CVSS High severity, with high exploitation likelihood (EPSS 60.95%, 99th 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 | 2026-06-15 | 71.44% | 60.95% | -10.49% |
| 2 | 2025-03-30 | 70.23% | 71.44% | +1.21% |
| 3 | 2025-03-29 | — | 70.23% | — |
Full EPSS history (20 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | excel | 2002 | cpe:2.3:a:microsoft:excel:2002:sp3:*:*:*:*:*:* |
| microsoft | excel | 2003 | cpe:2.3:a:microsoft:excel:2003:sp3:*:*:*:*:*:* |
| microsoft | excel | 2007 | cpe:2.3:a:microsoft:excel:2007:sp1:*:*:*:*:*:* |
| microsoft | excel | 2007 | cpe:2.3:a:microsoft:excel:2007:sp2:*:*:*:*:*:* |
| microsoft | office | 2004 | cpe:2.3:a:microsoft:office:2004:*:*:*:*:mac_os_x:*:* |
| microsoft | office | 2008 | cpe:2.3:a:microsoft:office:2008:*:*:*:*:macos:*:* |
| microsoft | office_compatibility_pack | 2007 | cpe:2.3:a:microsoft:office_compatibility_pack:2007:sp1:*:*:*:*:*:* |
| microsoft | office_compatibility_pack | 2007 | cpe:2.3:a:microsoft:office_compatibility_pack:2007:sp2:*:*:*:*:*:* |
| microsoft | office_excel_viewer | — | cpe:2.3:a:microsoft:office_excel_viewer:-:sp1:*:*:*:*:*:* |
| microsoft | office_excel_viewer | — | cpe:2.3:a:microsoft:office_excel_viewer:-:sp2:*:*:*:*:*:* |
| microsoft | office_sharepoint_server | 2007 | cpe:2.3:a:microsoft:office_sharepoint_server:2007:sp1:*:*:*:*:*:* |
| microsoft | office_sharepoint_server | 2007 | cpe:2.3:a:microsoft:office_sharepoint_server:2007:sp2:*:*:*:*:*:* |
| microsoft | open_xml_file_format_converter | — | cpe:2.3:a:microsoft:open_xml_file_format_converter:*:*:*:*:*:macos:*:* |
| URL | Tags |
|---|---|
| http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=859 | Broken Link |
| http://www.securitytracker.com/id?1023698 | Broken Link Third Party Advisory VDB Entry |
| http://www.us-cert.gov/cas/techalerts/TA10-068A.html | Third Party Advisory US Government Resource |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-017 | Patch Vendor Advisory |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8545 | Broken Link |