{"id":"CVE-2020-0676","aliases":["EUVD-2020-2169","GHSA-9mjm-924j-9qcq"],"status":"published","title":"An information disclosure vulnerability exists in the Cryptography Next Generation (CNG) service...","description":"An information disclosure vulnerability exists in the Cryptography Next Generation (CNG) service when it fails to properly handle objects in memory.To exploit this vulnerability, an attacker would have to log on to an affected system and run a specially crafted application.The security update addresses the vulnerability by correcting how the service handles objects in memory., aka 'Windows Key Isolation Service Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2020-0675, CVE-2020-0677, CVE-2020-0748, CVE-2020-0755, CVE-2020-0756.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01614,"percentile":0.76312,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2020-02-11T21:22:54Z","modified":"2026-06-17T02:46:19Z","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 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_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-2020-0676","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-0676"},{"url":"https://github.com/advisories/GHSA-9mjm-924j-9qcq"}],"sources":{"cve":[{"id":"CVE-2020-0676","description":"An information disclosure vulnerability exists in the Cryptography Next Generation (CNG) service when it fails to properly handle objects in memory.To exploit this vulnerability, an attacker would have to log on to an affected system and run a specially crafted application.The security update addresses the vulnerability by correcting how the service handles objects in memory., aka 'Windows Key Isolation Service Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2020-0675, CVE-2020-0677, CVE-2020-0748, CVE-2020-0755, CVE-2020-0756.","status":"published","published":"2020-02-11T21:22:54Z","modified":"2024-08-04T06:11:04.638Z","updated_at":"2026-11-02T14:35:59.763887Z"}],"euvd":[{"id":"EUVD-2020-2169","description":"An information disclosure vulnerability exists in the Cryptography Next Generation (CNG) service when it fails to properly handle objects in memory.To exploit this vulnerability, an attacker would have to log on to an affected system and run a specially crafted application.The security update addresses the vulnerability by correcting how the service handles objects in memory., aka 'Windows Key Isolation Service Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2020-0675, CVE-2020-0677, CVE-2020-0748, CVE-2020-0755, CVE-2020-0756.","status":"published","published":"2020-02-11T21:22:54Z","modified":"2024-08-04T06:11:04Z","updated_at":"2026-11-03T03:08:19.102243Z"}],"ghsa":[{"id":"GHSA-9mjm-924j-9qcq","title":"An information disclosure vulnerability exists in the Cryptography Next Generation (CNG) service...","description":"An information disclosure vulnerability exists in the Cryptography Next Generation (CNG) service when it fails to properly handle objects in memory.To exploit this vulnerability, an attacker would have to log on to an affected system and run a specially crafted application.The security update addresses the vulnerability by correcting how the service handles objects in memory., aka 'Windows Key Isolation Service Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2020-0675, CVE-2020-0677, CVE-2020-0748, CVE-2020-0755, CVE-2020-0756.","status":"published","published":"2022-05-24T17:08:26Z","modified":"2023-01-29T05:01:38Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:44:52.661438Z"}],"nvd":[{"id":"CVE-2020-0676","description":"An information disclosure vulnerability exists in the Cryptography Next Generation (CNG) service when it fails to properly handle objects in memory.To exploit this vulnerability, an attacker would have to log on to an affected system and run a specially crafted application.The security update addresses the vulnerability by correcting how the service handles objects in memory., aka 'Windows Key Isolation Service Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2020-0675, CVE-2020-0677, CVE-2020-0748, CVE-2020-0755, CVE-2020-0756.","status":"published","published":"2020-02-11T22:15:15.04Z","modified":"2026-06-17T02:46:19.467Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:05:53.837808Z"}]}}