{"id":"CVE-2020-0663","aliases":["EUVD-2020-2156","GHSA-r6w6-2q7f-ww58"],"status":"published","title":"An elevation of privilege vulnerability exists when Microsoft Edge does not properly enforce...","description":"An elevation of privilege vulnerability exists when Microsoft Edge does not properly enforce cross-domain policies, which could allow an attacker to access information from one domain and inject it into another domain.In a web-based attack scenario, an attacker could host a website that is used to attempt to exploit the vulnerability, aka 'Microsoft Edge Elevation of Privilege Vulnerability'.","severity":{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01573,"percentile":0.75738,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2020-02-11T21:22:49Z","modified":"2026-06-17T02:46:17Z","products":[{"vendor":"microsoft","product":"edge"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1803 for 32-bit systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1803 for arm64-based systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1803 for x64-based systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1809 for 32-bit systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1809 for arm64-based systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1809 for x64-based systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1903 for 32-bit systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1903 for arm64-based systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1903 for x64-based systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1909 for 32-bit systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1909 for arm64-based systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1909 for x64-based systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows server 2019"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0663","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-0663"},{"url":"https://github.com/advisories/GHSA-r6w6-2q7f-ww58"}],"sources":{"cve":[{"id":"CVE-2020-0663","description":"An elevation of privilege vulnerability exists when Microsoft Edge does not properly enforce cross-domain policies, which could allow an attacker to access information from one domain and inject it into another domain.In a web-based attack scenario, an attacker could host a website that is used to attempt to exploit the vulnerability, aka 'Microsoft Edge Elevation of Privilege Vulnerability'.","status":"published","published":"2020-02-11T21:22:49Z","modified":"2024-08-04T06:11:04.937Z","updated_at":"2026-11-02T14:35:59.763887Z"}],"euvd":[{"id":"EUVD-2020-2156","description":"An elevation of privilege vulnerability exists when Microsoft Edge does not properly enforce cross-domain policies, which could allow an attacker to access information from one domain and inject it into another domain.In a web-based attack scenario, an attacker could host a website that is used to attempt to exploit the vulnerability, aka 'Microsoft Edge Elevation of Privilege Vulnerability'.","status":"published","published":"2020-02-11T21:22:49Z","modified":"2024-08-04T06:11:04Z","updated_at":"2026-11-03T03:08:19.102243Z"}],"ghsa":[{"id":"GHSA-r6w6-2q7f-ww58","title":"An elevation of privilege vulnerability exists when Microsoft Edge does not properly enforce...","description":"An elevation of privilege vulnerability exists when Microsoft Edge does not properly enforce cross-domain policies, which could allow an attacker to access information from one domain and inject it into another domain.In a web-based attack scenario, an attacker could host a website that is used to attempt to exploit the vulnerability, aka 'Microsoft Edge Elevation of Privilege Vulnerability'.","status":"published","published":"2022-05-24T17:08:24Z","modified":"2023-01-29T05:01:28Z","cwes":["CWE-269"],"updated_at":"2026-11-02T14:44:49.860954Z"}],"nvd":[{"id":"CVE-2020-0663","description":"An elevation of privilege vulnerability exists when Microsoft Edge does not properly enforce cross-domain policies, which could allow an attacker to access information from one domain and inject it into another domain.In a web-based attack scenario, an attacker could host a website that is used to attempt to exploit the vulnerability, aka 'Microsoft Edge Elevation of Privilege Vulnerability'.","status":"published","published":"2020-02-11T22:15:14.087Z","modified":"2026-06-17T02:46:17.49Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:H/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:05:53.837808Z"}]}}