{"id":"CVE-2020-1524","aliases":["EUVD-2020-12398","GHSA-c94w-hqmm-2c97"],"status":"published","title":"Windows Speech Shell Components Elevation of Privilege Vulnerability","description":"An elevation of privilege vulnerability exists when the Windows Speech Shell Components improperly handle memory.\nTo exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges.\nThe security update addresses the vulnerability by correcting how the Windows Speech Shell Components handle memory.","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/E:P/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00931,"percentile":0.60902,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2020-08-17T19:13:25Z","modified":"2026-06-17T03:01:38Z","products":[{"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 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_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1524","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1524"},{"url":"https://github.com/advisories/GHSA-c94w-hqmm-2c97"}],"sources":{"cve":[{"id":"CVE-2020-1524","title":"Windows Speech Shell Components Elevation of Privilege Vulnerability","description":"An elevation of privilege vulnerability exists when the Windows Speech Shell Components improperly handle memory.\nTo exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges.\nThe security update addresses the vulnerability by correcting how the Windows Speech Shell Components handle memory.","status":"published","published":"2020-08-17T19:13:25Z","modified":"2024-11-18T16:37:52.468Z","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/E:P/RL:O/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:56.213477Z"}],"euvd":[{"id":"EUVD-2020-12398","description":"An elevation of privilege vulnerability exists when the Windows Speech Shell Components improperly handle memory.\nTo exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges.\nThe security update addresses the vulnerability by correcting how the Windows Speech Shell Components handle memory.","status":"published","published":"2020-08-17T19:13:25Z","modified":"2024-11-18T16:37:52Z","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/E:P/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T00:04:57.054288Z"}],"ghsa":[{"id":"GHSA-c94w-hqmm-2c97","title":"An elevation of privilege vulnerability exists when the Windows Speech Shell Components...","description":"An elevation of privilege vulnerability exists when the Windows Speech Shell Components improperly handle memory.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Windows Speech Shell Components Elevation of Privilege Vulnerability'.","status":"published","published":"2022-05-24T17:25:52Z","modified":"2024-01-04T03:30:34Z","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"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:55:19.778382Z"}],"nvd":[{"id":"CVE-2020-1524","description":"An elevation of privilege vulnerability exists when the Windows Speech Shell Components improperly handle memory.\nTo exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges.\nThe security update addresses the vulnerability by correcting how the Windows Speech Shell Components handle memory.","status":"published","published":"2020-08-17T19:15:17.88Z","modified":"2026-06-17T03:01:38.9Z","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":"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":"2026-11-02T14:06:13.05572Z"}]}}
