{"id":"CVE-2020-1231","aliases":["EUVD-2020-12110","GHSA-8mg3-5rjg-7vjc"],"status":"published","title":"An elevation of privilege vulnerability exists when the Windows Runtime improperly handles...","description":"An elevation of privilege vulnerability exists when the Windows Runtime improperly handles objects in memory, aka 'Windows Runtime Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-1233, CVE-2020-1235, CVE-2020-1265, CVE-2020-1282, CVE-2020-1304, CVE-2020-1306, CVE-2020-1334.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.03468,"percentile":0.89153,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2020-06-09T19:43:32Z","modified":"2026-06-17T03:00:51Z","products":[{"vendor":"microsoft","product":"windows"},{"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 for 32-bit systems"},{"vendor":"microsoft","product":"windows 10 version 1909 for arm64-based systems"},{"vendor":"microsoft","product":"windows 10 version 1909 for x64-based systems"},{"vendor":"microsoft","product":"windows 10 version 2004 for 32-bit systems"},{"vendor":"microsoft","product":"windows 10 version 2004 for arm64-based systems"},{"vendor":"microsoft","product":"windows 10 version 2004 for x64-based systems"},{"vendor":"microsoft","product":"windows server"},{"vendor":"microsoft","product":"windows server, version 1903 (server core installation)"},{"vendor":"microsoft","product":"windows server, version 1909 (server core installation)"},{"vendor":"microsoft","product":"windows server, version 2004 (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-2020-1231","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1231"},{"url":"https://github.com/advisories/GHSA-8mg3-5rjg-7vjc"}],"sources":{"cve":[{"id":"CVE-2020-1231","description":"An elevation of privilege vulnerability exists when the Windows Runtime improperly handles objects in memory, aka 'Windows Runtime Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-1233, CVE-2020-1235, CVE-2020-1265, CVE-2020-1282, CVE-2020-1304, CVE-2020-1306, CVE-2020-1334.","status":"published","published":"2020-06-09T19:43:32Z","modified":"2024-08-04T06:31:59.801Z","updated_at":"2026-11-02T14:35:56.638833Z"}],"euvd":[{"id":"EUVD-2020-12110","description":"An elevation of privilege vulnerability exists when the Windows Runtime improperly handles objects in memory, aka 'Windows Runtime Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-1233, CVE-2020-1235, CVE-2020-1265, CVE-2020-1282, CVE-2020-1304, CVE-2020-1306, CVE-2020-1334.","status":"published","published":"2020-06-09T19:43:32Z","modified":"2024-08-04T06:31:59Z","updated_at":"2026-11-03T03:08:15.605178Z"}],"ghsa":[{"id":"GHSA-8mg3-5rjg-7vjc","title":"An elevation of privilege vulnerability exists when the Windows Runtime improperly handles...","description":"An elevation of privilege vulnerability exists when the Windows Runtime improperly handles objects in memory, aka 'Windows Runtime Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-1233, CVE-2020-1235, CVE-2020-1265, CVE-2020-1282, CVE-2020-1304, CVE-2020-1306, CVE-2020-1334.","status":"published","published":"2022-05-24T17:19:51Z","modified":"2023-01-29T05:02:56Z","cwes":["CWE-269"],"updated_at":"2026-11-02T14:45:12.348503Z"}],"nvd":[{"id":"CVE-2020-1231","description":"An elevation of privilege vulnerability exists when the Windows Runtime improperly handles objects in memory, aka 'Windows Runtime Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-1233, CVE-2020-1235, CVE-2020-1265, CVE-2020-1282, CVE-2020-1304, CVE-2020-1306, CVE-2020-1334.","status":"published","published":"2020-06-09T20:15:15.537Z","modified":"2026-06-17T03:00:51.59Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:05.962132Z"}]}}