{"id":"CVE-2020-1071","aliases":["EUVD-2020-11962","GHSA-53w8-mw45-gq93"],"status":"published","title":"Windows Remote Access Common Dialog Elevation of Privilege Vulnerability","description":"An elevation of privilege vulnerability exists when Windows improperly handles errors tied to Remote Access Common Dialog. An attacker who successfully exploited the vulnerability could run arbitrary code with elevated privileges.\nTo exploit this vulnerability an attacker would need to physically access the booted machine to reach the logon screen. An attacker could then exploit the vulnerability and take control of an affected system.\nThe update addresses the vulnerability by correcting how the Windows handles errors tied to Remote Access Common Dialog.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01035,"percentile":0.64149,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269","CWE-755"],"published":"2020-05-21T22:52:58Z","modified":"2026-08-19T18:32:21Z","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 7"},{"vendor":"microsoft","product":"windows 7 service pack 1"},{"vendor":"microsoft","product":"windows 8.1"},{"vendor":"microsoft","product":"windows server 2008 r2 service pack 1"},{"vendor":"microsoft","product":"windows server 2008 r2 service pack 1 (server core installation)"},{"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 1803  (server core installation)"},{"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_7"},{"vendor":"microsoft","product":"windows_8.1"},{"vendor":"microsoft","product":"windows_rt_8.1"},{"vendor":"microsoft","product":"windows_server_2008"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1071","tags":["vendor-advisory","patch"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1071","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1071"},{"url":"https://github.com/advisories/GHSA-53w8-mw45-gq93"}],"sources":{"cve":[{"id":"CVE-2020-1071","title":"Windows Remote Access Common Dialog Elevation of Privilege Vulnerability","description":"An elevation of privilege vulnerability exists when Windows improperly handles errors tied to Remote Access Common Dialog. An attacker who successfully exploited the vulnerability could run arbitrary code with elevated privileges.\nTo exploit this vulnerability an attacker would need to physically access the booted machine to reach the logon screen. An attacker could then exploit the vulnerability and take control of an affected system.\nThe update addresses the vulnerability by correcting how the Windows handles errors tied to Remote Access Common Dialog.","status":"published","published":"2020-05-21T22:52:58Z","modified":"2026-08-19T16:33:31.867Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:56.213477Z"}],"euvd":[{"id":"EUVD-2020-11962","description":"An elevation of privilege vulnerability exists when Windows improperly handles errors tied to Remote Access Common Dialog. An attacker who successfully exploited the vulnerability could run arbitrary code with elevated privileges.\nTo exploit this vulnerability an attacker would need to physically access the booted machine to reach the logon screen. An attacker could then exploit the vulnerability and take control of an affected system.\nThe update addresses the vulnerability by correcting how the Windows handles errors tied to Remote Access Common Dialog.","status":"published","published":"2020-05-21T22:52:58Z","modified":"2026-08-19T16:33:31Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T18:01:41.904829Z"}],"ghsa":[{"id":"GHSA-53w8-mw45-gq93","title":"An elevation of privilege vulnerability exists when Windows improperly handles errors tied to...","description":"An elevation of privilege vulnerability exists when Windows improperly handles errors tied to Remote Access Common Dialog, aka 'Windows Remote Access Common Dialog Elevation of Privilege Vulnerability'.","status":"published","published":"2022-05-24T17:18:25Z","modified":"2026-08-19T18:32:21Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-269","CWE-755"],"updated_at":"2026-11-02T15:10:41.712997Z"}],"nvd":[{"id":"CVE-2020-1071","description":"An elevation of privilege vulnerability exists when Windows improperly handles errors tied to Remote Access Common Dialog. An attacker who successfully exploited the vulnerability could run arbitrary code with elevated privileges.\nTo exploit this vulnerability an attacker would need to physically access the booted machine to reach the logon screen. An attacker could then exploit the vulnerability and take control of an affected system.\nThe update addresses the vulnerability by correcting how the Windows handles errors tied to Remote Access Common Dialog.","status":"published","published":"2020-05-21T23:15:13.07Z","modified":"2026-08-19T17:17:13.393Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-755"],"updated_at":"2026-11-02T14:06:04.922138Z"}]}}