Cross-site scripting (XSS) vulnerability in Microsoft Excel Services on SharePoint Server 2010 SP2 and 2013 SP1, Office Web Apps 2010 SP2, Excel Web App 2010 SP2, Office Web Apps Server 2013 SP1, and SharePoint Foundation 2013 SP1 allows remote authenticated users to inject arbitrary web script or HTML via a crafted URL, aka "Microsoft Office Web Apps XSS Spoofing Vulnerability."
Conclusion & alert: CVE-2015-6037 is rated Moderate Risk (44.4/100): CVSS Low severity, with high exploitation likelihood (EPSS 10.21%, 93th 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 | 2026-01-20 | 12.30% | 10.21% | -2.09% |
| 2 | 2025-12-28 | 10.64% | 12.30% | +1.66% |
| 3 | 2025-12-27 | — | 10.64% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 3.5 | 2.0 | LOW |
|
6.8 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | excel_web_app | 2010 | cpe:2.3:a:microsoft:excel_web_app:2010:sp2:*:*:*:*:*:* |
| microsoft | office_web_apps | 2010 | cpe:2.3:a:microsoft:office_web_apps:2010:sp2:*:*:*:*:*:* |
| microsoft | office_web_apps | 2013 | cpe:2.3:a:microsoft:office_web_apps:2013:sp1:*:*:*:*:*:* |
| microsoft | sharepoint_foundation | 2013 | cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:* |
| microsoft | sharepoint_server | 2010 | cpe:2.3:a:microsoft:sharepoint_server:2010:sp2:*:*:*:*:*:* |
| microsoft | sharepoint_server | 2013 | cpe:2.3:a:microsoft:sharepoint_server:2013:sp1:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securitytracker.com/id/1033803 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1033804 | Third Party Advisory VDB Entry |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-110 |