An elevation of privilege vulnerability exists when the Windows Update Orchestrator Service improperly handles file operations, aka 'Windows Update Orchestrator Service Elevation of Privilege Vulnerability'.
Conclusion & alert: CVE-2020-1313 is rated High Exploit Risk (85.2/100): CVSS High severity, with high exploitation likelihood (EPSS 81.61%, 99th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +4.27% over the last day, indicating growing attacker interest. 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 |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | 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 | 2026-04-07 | 77.34% | 81.61% | +4.27% |
| 2 | 2026-03-17 | 84.14% | 77.34% | -6.80% |
| 3 | 2026-02-23 | — | 84.14% | — |
Full EPSS history (38 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] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | windows_10 | 1903 | cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:* |
| microsoft | windows_10 | 1909 | cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:* |
| microsoft | windows_10 | 2004 | cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:* |
| microsoft | windows_server_2016 | 1903 | cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:* |
| microsoft | windows_server_2016 | 1909 | cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:* |
| microsoft | windows_server_2016 | 2004 | cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/159305/Microsoft-Windows-Update-Orchestrator-Unchecked-ScheduleWork-Call.html | Exploit Third Party Advisory VDB Entry |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1313 | Patch Vendor Advisory |