{"id":"CVE-2020-1424","aliases":["EUVD-2020-12300","GHSA-jm92-fqw4-8r6p"],"status":"published","title":"An elevation of privilege vulnerability exists when the Windows Update Stack fails to properly...","description":"An elevation of privilege vulnerability exists when the Windows Update Stack fails to properly handle objects in memory, aka 'Windows Update Stack Elevation of Privilege Vulnerability'.","severity":{"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":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01412,"percentile":0.7288,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2020-07-14T22:54:37Z","modified":"2026-06-17T03:01:22Z","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_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1424","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1424"},{"url":"https://github.com/advisories/GHSA-jm92-fqw4-8r6p"}],"sources":{"cve":[{"id":"CVE-2020-1424","description":"An elevation of privilege vulnerability exists when the Windows Update Stack fails to properly handle objects in memory, aka 'Windows Update Stack Elevation of Privilege Vulnerability'.","status":"published","published":"2020-07-14T22:54:37Z","modified":"2024-08-04T06:39:09.733Z","updated_at":"2026-11-02T14:35:56.638833Z"}],"euvd":[{"id":"EUVD-2020-12300","description":"An elevation of privilege vulnerability exists when the Windows Update Stack fails to properly handle objects in memory, aka 'Windows Update Stack Elevation of Privilege Vulnerability'.","status":"published","published":"2020-07-14T22:54:37Z","modified":"2024-08-04T06:39:09Z","updated_at":"2026-11-03T03:08:13.874945Z"}],"ghsa":[{"id":"GHSA-jm92-fqw4-8r6p","title":"An elevation of privilege vulnerability exists when the Windows Update Stack fails to properly...","description":"An elevation of privilege vulnerability exists when the Windows Update Stack fails to properly handle objects in memory, aka 'Windows Update Stack Elevation of Privilege Vulnerability'.","status":"published","published":"2022-05-24T17:23:08Z","modified":"2023-01-29T05:03:22Z","cwes":["CWE-269"],"updated_at":"2026-11-02T14:45:18.510464Z"}],"nvd":[{"id":"CVE-2020-1424","description":"An elevation of privilege vulnerability exists when the Windows Update Stack fails to properly handle objects in memory, aka 'Windows Update Stack Elevation of Privilege Vulnerability'.","status":"published","published":"2020-07-14T23:15:18.323Z","modified":"2026-06-17T03:01:22.743Z","cvss":[{"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":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:06:09.126752Z"}]}}