Microsoft Excel Services on Microsoft SharePoint Server 2010 SP1 and SP2, Microsoft Excel Web Apps 2010 SP2, Microsoft Office Web Apps 2010 SP2, Microsoft Office Web Apps Server 2013 SP1 and Office Online Server allows remote attackers to perform cross-site scripting and run script with local user privileges via a crafted request, aka "Microsoft Office XSS Elevation of Privilege Vulnerability."
Conclusion & alert: CVE-2017-0195 is rated Moderate Risk (55.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.84%). Core evidence: EPSS rose +2.88% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule 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 | 0.96% | 3.84% | +2.88% |
| 2 | 2026-02-18 | 1.11% | 0.96% | -0.16% |
| 3 | 2025-12-23 | — | 1.11% | — |
Full EPSS history (19 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.4 | 3.0 | MEDIUM |
|
2.3 | 2.7 | [email protected] |
| 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_online_server | — | cpe:2.3:a:microsoft:office_online_server:*:*:*:*:*:*:*:* |
| microsoft | office_web_apps | 2010 | cpe:2.3:a:microsoft:office_web_apps:2010:sp2:*:*:*:*:*:* |
| microsoft | office_web_apps_server | 2013 | cpe:2.3:a:microsoft:office_web_apps_server:2013:sp1:*:*:*:*:*:* |
| microsoft | sharepoint_server | 2010 | cpe:2.3:a:microsoft:sharepoint_server:2010:sp1:*:*:*:*:*:* |
| microsoft | sharepoint_server | 2010 | cpe:2.3:a:microsoft:sharepoint_server:2010:sp2:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/97417 | Third Party Advisory VDB Entry |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0195 | Patch Vendor Advisory |