{"id":"CVE-2020-1355","aliases":["EUVD-2020-12231","GHSA-vfjj-qc2j-f9fm"],"status":"published","title":"A remote code execution vulnerability exists when the Windows Font Driver Host improperly handles...","description":"A remote code execution vulnerability exists when the Windows Font Driver Host improperly handles memory.An attacker who successfully exploited the vulnerability would gain execution on a victim system.The security update addresses the vulnerability by correcting how the Windows Font Driver Host handles memory., aka 'Windows Font Driver Host Remote Code Execution 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":0.04214,"percentile":0.91053,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-20","CWE-787"],"published":"2020-07-14T22:54:08Z","modified":"2026-06-17T03:01:11Z","products":[{"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, 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"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1355","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-20-875/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1355"},{"url":"https://github.com/advisories/GHSA-vfjj-qc2j-f9fm"}],"sources":{"cve":[{"id":"CVE-2020-1355","description":"A remote code execution vulnerability exists when the Windows Font Driver Host improperly handles memory.An attacker who successfully exploited the vulnerability would gain execution on a victim system.The security update addresses the vulnerability by correcting how the Windows Font Driver Host handles memory., aka 'Windows Font Driver Host Remote Code Execution Vulnerability'.","status":"published","published":"2020-07-14T22:54:08Z","modified":"2024-08-04T06:32:00.766Z","updated_at":"2026-11-02T14:35:56.638833Z"}],"euvd":[{"id":"EUVD-2020-12231","description":"A remote code execution vulnerability exists when the Windows Font Driver Host improperly handles memory.An attacker who successfully exploited the vulnerability would gain execution on a victim system.The security update addresses the vulnerability by correcting how the Windows Font Driver Host handles memory., aka 'Windows Font Driver Host Remote Code Execution Vulnerability'.","status":"published","published":"2020-07-14T22:54:08Z","modified":"2024-08-04T06:32:00Z","updated_at":"2026-11-03T03:08:14.784772Z"}],"ghsa":[{"id":"GHSA-vfjj-qc2j-f9fm","title":"A remote code execution vulnerability exists when the Windows Font Driver Host improperly handles...","description":"A remote code execution vulnerability exists when the Windows Font Driver Host improperly handles memory.An attacker who successfully exploited the vulnerability would gain execution on a victim system.The security update addresses the vulnerability by correcting how the Windows Font Driver Host handles memory., aka 'Windows Font Driver Host Remote Code Execution Vulnerability'.","status":"published","published":"2022-05-24T17:22:59Z","modified":"2023-01-29T05:03:23Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:45:18.510464Z"}],"nvd":[{"id":"CVE-2020-1355","description":"A remote code execution vulnerability exists when the Windows Font Driver Host improperly handles memory.An attacker who successfully exploited the vulnerability would gain execution on a victim system.The security update addresses the vulnerability by correcting how the Windows Font Driver Host handles memory., aka 'Windows Font Driver Host Remote Code Execution Vulnerability'.","status":"published","published":"2020-07-14T23:15:13.48Z","modified":"2026-06-17T03:01:11.543Z","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":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20","CWE-787"],"updated_at":"2026-11-02T14:06:09.126752Z"}]}}