{"cve":"CVE-2020-1084","nvd":{"published":"2020-05-21T23:15:13.647","modified":"2026-08-19T17:17:15.400","status":"Modified","description":"A Denial Of Service vulnerability exists when Connected User Experiences and Telemetry Service fails to validate certain function values.\nAn attacker who successfully exploited this vulnerability could deny dependent security feature functionality.\nTo exploit this vulnerability, an attacker would have to log on to an affected system and run a specially crafted application.\nThe security update addresses the vulnerability by  correcting how the Connected User Experiences and Telemetry Service validates certain function values.","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:N/A:H","score":5.5},"cwes":["CWE-20"],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1084","https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1084"],"products":["microsoft:windows_10","microsoft:windows_server_2016","microsoft:windows_server_2019"],"source":"nvd","synced_at":"2026-10-19T21:05:42.039641217+00:00"},"epss":{"cve":"CVE-2020-1084","score":0.01095,"percentile":0.65541,"date":"2026-10-31"},"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."]}