{"cve":"CVE-2020-0638","nvd":{"published":"2020-01-14T23:15:32.503","modified":"2026-08-12T05:17:27.463","status":"Analyzed","description":"An elevation of privilege vulnerability exists in the way the Update Notification Manager handles files.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Update Notification Manager 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:H/I:H/A:H","score":7.8},"cwes":["CWE-59"],"references":["https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0638","https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0638","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0638"],"products":["microsoft:windows_10_1709","microsoft:windows_10_1803","microsoft:windows_10_1809","microsoft:windows_10_1903","microsoft:windows_10_1909","microsoft:windows_server_1803","microsoft:windows_server_1903","microsoft:windows_server_1909","microsoft:windows_server_2019"],"source":"nvd","synced_at":"2026-10-19T21:01:01.339895972+00:00"},"epss":{"cve":"CVE-2020-0638","score":0.0237,"percentile":0.83832,"date":"2026-10-31"},"kev":{"cve":"CVE-2020-0638","date_added":"2022-05-23","due_date":"2022-06-13","vendor":"Microsoft","product":"Update Notification Manager","known_ransomware":true},"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."]}