{"id":"CVE-2020-1471","aliases":["EUVD-2020-12345","GHSA-g7v4-jgjh-qjgf"],"status":"published","title":"Windows CloudExperienceHost Elevation of Privilege Vulnerability","description":"\u003cp\u003eAn elevation of privilege vulnerability exists when Microsoft Windows CloudExperienceHost fails to check COM objects. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system.\u003c/p\u003e\n\u003cp\u003eTo exploit the vulnerability, an attacker would have to log on to an affected system and run a specially crafted script or application.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by checking COM objects.\u003c/p\u003e","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N/E:P/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01209,"percentile":0.68617,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2020-09-11T17:09:18Z","modified":"2026-06-17T03:01:29Z","products":[{"vendor":"microsoft","product":"windows 10 version 1507"},{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1709"},{"vendor":"microsoft","product":"windows 10 version 1709 for 32-bit systems"},{"vendor":"microsoft","product":"windows 10 version 1803"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 1903 for 32-bit systems"},{"vendor":"microsoft","product":"windows 10 version 1903 for arm64-based systems"},{"vendor":"microsoft","product":"windows 10 version 1903 for x64-based systems"},{"vendor":"microsoft","product":"windows 10 version 1909"},{"vendor":"microsoft","product":"windows 10 version 2004"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1471","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1471"},{"url":"https://github.com/advisories/GHSA-g7v4-jgjh-qjgf"}],"sources":{"cve":[{"id":"CVE-2020-1471","title":"Windows CloudExperienceHost Elevation of Privilege Vulnerability","description":"\u003cp\u003eAn elevation of privilege vulnerability exists when Microsoft Windows CloudExperienceHost fails to check COM objects. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system.\u003c/p\u003e\n\u003cp\u003eTo exploit the vulnerability, an attacker would have to log on to an affected system and run a specially crafted script or application.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by checking COM objects.\u003c/p\u003e","status":"published","published":"2020-09-11T17:09:18Z","modified":"2024-08-04T06:39:10.366Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N/E:P/RL:O/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:56.213477Z"}],"euvd":[{"id":"EUVD-2020-12345","description":"\u003cp\u003eAn elevation of privilege vulnerability exists when Microsoft Windows CloudExperienceHost fails to check COM objects. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system.\u003c/p\u003e\n\u003cp\u003eTo exploit the vulnerability, an attacker would have to log on to an affected system and run a specially crafted script or application.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by checking COM objects.\u003c/p\u003e","status":"published","published":"2020-09-11T17:09:18Z","modified":"2024-08-04T06:39:10Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N/E:P/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T03:08:12.895997Z"}],"ghsa":[{"id":"GHSA-g7v4-jgjh-qjgf","title":"An elevation of privilege vulnerability exists when Microsoft Windows CloudExperienceHost fails...","description":"An elevation of privilege vulnerability exists when Microsoft Windows CloudExperienceHost fails to check COM objects, aka 'Windows CloudExperienceHost Elevation of Privilege Vulnerability'.","status":"published","published":"2022-05-24T17:28:03Z","modified":"2024-01-09T05:04:49Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:55:21.919096Z"}],"nvd":[{"id":"CVE-2020-1471","description":"\u003cp\u003eAn elevation of privilege vulnerability exists when Microsoft Windows CloudExperienceHost fails to check COM objects. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system.\u003c/p\u003e\n\u003cp\u003eTo exploit the vulnerability, an attacker would have to log on to an affected system and run a specially crafted script or application.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by checking COM objects.\u003c/p\u003e","status":"published","published":"2020-09-11T17:15:20.917Z","modified":"2026-06-17T03:01:29.62Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:14.981587Z"}]}}