{"id":"CVE-2020-1488","aliases":["EUVD-2020-12362","GHSA-wvr6-9968-cvwm"],"status":"published","title":"Windows AppX Deployment Extensions Elevation of Privilege Vulnerability","description":"An elevation of privilege vulnerability exists when the Windows AppX Deployment Extensions improperly performs privilege management, resulting in access to system files.\nTo exploit this vulnerability, an authenticated attacker would need to run a specially crafted application to elevate privileges.\nThe security update addresses the vulnerability by correcting how AppX Deployment Extensions manages privileges.","severity":{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00793,"percentile":0.56641,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2020-08-17T19:13:11Z","modified":"2026-06-17T03:01:32Z","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 8.1"},{"vendor":"microsoft","product":"windows server 2012"},{"vendor":"microsoft","product":"windows server 2012 (server core installation)"},{"vendor":"microsoft","product":"windows server 2012 r2"},{"vendor":"microsoft","product":"windows server 2012 r2 (server core installation)"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows server 2016 (server core installation)"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server version 2004"},{"vendor":"microsoft","product":"windows server, version 1903 (server core installation)"},{"vendor":"microsoft","product":"windows server, version 1909 (server core installation)"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_8.1"},{"vendor":"microsoft","product":"windows_rt_8.1"},{"vendor":"microsoft","product":"windows_server_2012"},{"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-2020-1488","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1488"},{"url":"https://github.com/advisories/GHSA-wvr6-9968-cvwm"}],"sources":{"cve":[{"id":"CVE-2020-1488","title":"Windows AppX Deployment Extensions Elevation of Privilege Vulnerability","description":"An elevation of privilege vulnerability exists when the Windows AppX Deployment Extensions improperly performs privilege management, resulting in access to system files.\nTo exploit this vulnerability, an authenticated attacker would need to run a specially crafted application to elevate privileges.\nThe security update addresses the vulnerability by correcting how AppX Deployment Extensions manages privileges.","status":"published","published":"2020-08-17T19:13:11Z","modified":"2024-08-04T06:39:10.373Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:56.638833Z"}],"euvd":[{"id":"EUVD-2020-12362","description":"An elevation of privilege vulnerability exists when the Windows AppX Deployment Extensions improperly performs privilege management, resulting in access to system files.\nTo exploit this vulnerability, an authenticated attacker would need to run a specially crafted application to elevate privileges.\nThe security update addresses the vulnerability by correcting how AppX Deployment Extensions manages privileges.","status":"published","published":"2020-08-17T19:13:11Z","modified":"2024-08-04T06:39:10Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T03:08:12.895997Z"}],"ghsa":[{"id":"GHSA-wvr6-9968-cvwm","title":"An elevation of privilege vulnerability exists when the Windows AppX Deployment Extensions...","description":"An elevation of privilege vulnerability exists when the Windows AppX Deployment Extensions improperly performs privilege management, resulting in access to system files.To exploit this vulnerability, an authenticated attacker would need to run a specially crafted application to elevate privileges.The security update addresses the vulnerability by correcting how AppX Deployment Extensions manages privileges., aka 'Windows AppX Deployment Extensions Elevation of Privilege Vulnerability'.","status":"published","published":"2022-05-24T17:25:49Z","modified":"2024-01-04T03:30:34Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:55:19.778382Z"}],"nvd":[{"id":"CVE-2020-1488","description":"An elevation of privilege vulnerability exists when the Windows AppX Deployment Extensions improperly performs privilege management, resulting in access to system files.\nTo exploit this vulnerability, an authenticated attacker would need to run a specially crafted application to elevate privileges.\nThe security update addresses the vulnerability by correcting how AppX Deployment Extensions manages privileges.","status":"published","published":"2020-08-17T19:15:15.973Z","modified":"2026-06-17T03:01:32.747Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","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"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:06:13.05572Z"}]}}