{"id":"CVE-2020-16922","aliases":["EUVD-2020-8880","GHSA-pv24-75cx-c5m2"],"status":"published","title":"Windows Spoofing Vulnerability","description":"\u003cp\u003eA spoofing vulnerability exists when Windows incorrectly validates file signatures. An attacker who successfully exploited this vulnerability could bypass security features and load improperly signed files.\u003c/p\u003e\n\u003cp\u003eIn an attack scenario, an attacker could bypass security features intended to prevent improperly signed files from being loaded.\u003c/p\u003e\n\u003cp\u003eThe update addresses the vulnerability by correcting how Windows validates file signatures.\u003c/p\u003e","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00806,"percentile":0.57117,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-347"],"published":"2020-10-16T22:17:50Z","modified":"2026-06-17T02:58:16Z","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 7"},{"vendor":"microsoft","product":"windows 7 service pack 1"},{"vendor":"microsoft","product":"windows 8.1"},{"vendor":"microsoft","product":"windows server 2008  service pack 2"},{"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 2008 service pack 2"},{"vendor":"microsoft","product":"windows server 2008 service pack 2 (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 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_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://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16922","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-16922"},{"url":"https://github.com/advisories/GHSA-pv24-75cx-c5m2"}],"sources":{"cve":[{"id":"CVE-2020-16922","title":"Windows Spoofing Vulnerability","description":"\u003cp\u003eA spoofing vulnerability exists when Windows incorrectly validates file signatures. An attacker who successfully exploited this vulnerability could bypass security features and load improperly signed files.\u003c/p\u003e\n\u003cp\u003eIn an attack scenario, an attacker could bypass security features intended to prevent improperly signed files from being loaded.\u003c/p\u003e\n\u003cp\u003eThe update addresses the vulnerability by correcting how Windows validates file signatures.\u003c/p\u003e","status":"published","published":"2020-10-16T22:17:50Z","modified":"2024-08-04T13:45:34.507Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:59.116379Z"}],"euvd":[{"id":"EUVD-2020-8880","description":"\u003cp\u003eA spoofing vulnerability exists when Windows incorrectly validates file signatures. An attacker who successfully exploited this vulnerability could bypass security features and load improperly signed files.\u003c/p\u003e\n\u003cp\u003eIn an attack scenario, an attacker could bypass security features intended to prevent improperly signed files from being loaded.\u003c/p\u003e\n\u003cp\u003eThe update addresses the vulnerability by correcting how Windows validates file signatures.\u003c/p\u003e","status":"published","published":"2020-10-16T22:17:50Z","modified":"2024-08-04T13:45:34Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-03T03:07:28.222143Z"}],"ghsa":[{"id":"GHSA-pv24-75cx-c5m2","title":"A spoofing vulnerability exists when Windows incorrectly validates file signatures, aka 'Windows...","description":"A spoofing vulnerability exists when Windows incorrectly validates file signatures, aka 'Windows Spoofing Vulnerability'.","status":"published","published":"2022-05-24T17:30:58Z","modified":"2023-12-31T21:30:23Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:55:18.712206Z"}],"nvd":[{"id":"CVE-2020-16922","description":"\u003cp\u003eA spoofing vulnerability exists when Windows incorrectly validates file signatures. An attacker who successfully exploited this vulnerability could bypass security features and load improperly signed files.\u003c/p\u003e\n\u003cp\u003eIn an attack scenario, an attacker could bypass security features intended to prevent improperly signed files from being loaded.\u003c/p\u003e\n\u003cp\u003eThe update addresses the vulnerability by correcting how Windows validates file signatures.\u003c/p\u003e","status":"published","published":"2020-10-16T23:15:14.883Z","modified":"2026-06-17T02:58:16.623Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:06:19.351389Z"}]}}