Windows Shell in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, Windows Server 2016 and Windows Server, version 1709 allows a remote code execution vulnerability due to how file copy destinations are validated, aka "Windows Shell Remote Code Execution Vulnerability".
Conclusion & alert: CVE-2018-0883 is rated High Risk (69/100): CVSS High severity, with high exploitation likelihood (EPSS 35.75%, 97th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +6.47% over the last day, indicating growing attacker interest. 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 | 2026-05-22 | 29.28% | 35.75% | +6.47% |
| 2 | 2025-11-23 | 23.62% | 29.28% | +5.65% |
| 3 | 2025-11-21 | — | 23.62% | — |
Full EPSS history (34 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.0 | HIGH |
|
1.6 | 5.9 | [email protected] |
| 7.6 | 2.0 | HIGH |
|
4.9 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | windows_10 | — | cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* |
| microsoft | windows_10 | 1511 | cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:* |
| microsoft | windows_10 | 1607 | cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* |
| microsoft | windows_10 | 1703 | cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:* |
| microsoft | windows_7 | — | cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* |
| microsoft | windows_8.1 | — | cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* |
| microsoft | windows_rt_8.1 | — | cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* |
| microsoft | windows_server | 1709 | cpe:2.3:o:microsoft:windows_server:1709:*:*:*:*:*:*:* |
| microsoft | windows_server_2008 | — | cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* |
| microsoft | windows_server_2008 | r2 | cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:* |
| microsoft | windows_server_2012 | — | cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:*:* |
| microsoft | windows_server_2012 | r2 | cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* |
| microsoft | windows_server_2016 | — | cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/103259 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1040502 | Third Party Advisory VDB Entry |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0883 | Patch Vendor Advisory |