{"cve":"CVE-2019-1289","nvd":{"published":"2019-09-11T22:15:18.257","modified":"2026-06-17T02:28:18.600","status":"Modified","description":"An elevation of privilege vulnerability exists when the Windows Update Delivery Optimization does not properly enforce file share permissions, aka 'Windows Update Delivery Optimization Elevation of Privilege Vulnerability'.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","score":5.5},"cwes":["CWE-863"],"references":["https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1289","https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1289"],"products":["microsoft:windows_10","microsoft:windows_server_2016","microsoft:windows_server_2019"],"source":"nvd","synced_at":"2026-10-19T20:58:39.700375520+00:00"},"epss":{"cve":"CVE-2019-1289","score":0.00728,"percentile":0.5419,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}