{"schema":"threatline.record/2","record":{"id":"CVE-2020-1020","aliases":[],"summary":"Microsoft Windows Adobe Font Manager Library Remote Code Execution Vulnerability","details":"Microsoft Windows Adobe Font Manager Library contains an unspecified vulnerability when handling specially crafted multi-master fonts (Adobe Type 1 PostScript format) that allows for remote code execution for all systems except Windows 10. For systems running Windows 10, an attacker who successfully exploited the vulnerability could execute code in an AppContainer sandbox context with limited privileges and capabilities.","categories":["Operating systems"],"product":"Windows","vendor":"Microsoft","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1020","source_modified_at":"2025-10-21T23:35:46.197Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows","vendor":"Microsoft","versions":[{"status":"affected","version":"10 Version 1803 for 32-bit Systems"},{"status":"affected","version":"10 Version 1803 for x64-based Systems"},{"status":"affected","version":"10 Version 1803 for ARM64-based Systems"},{"status":"affected","version":"10 Version 1809 for 32-bit Systems"},{"status":"affected","version":"10 Version 1809 for x64-based Systems"},{"status":"affected","version":"10 Version 1809 for ARM64-based Systems"},{"status":"affected","version":"10 Version 1709 for 32-bit Systems"},{"status":"affected","version":"10 Version 1709 for x64-based Systems"},{"status":"affected","version":"10 Version 1709 for ARM64-based Systems"},{"status":"affected","version":"10 for 32-bit Systems"},{"status":"affected","version":"10 for x64-based Systems"},{"status":"affected","version":"10 Version 1607 for 32-bit Systems"},{"status":"affected","version":"10 Version 1607 for x64-based Systems"},{"status":"affected","version":"7 for 32-bit Systems Service Pack 1"},{"status":"affected","version":"7 for x64-based Systems Service Pack 1"},{"status":"affected","version":"8.1 for 32-bit systems"},{"status":"affected","version":"8.1 for x64-based systems"},{"status":"affected","version":"RT 8.1"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1020","source_modified_at":"2025-10-21T23:35:46.197Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows Server","vendor":"Microsoft","versions":[{"status":"affected","version":"version 1803  (Core Installation)"},{"status":"affected","version":"2019"},{"status":"affected","version":"2019  (Core installation)"},{"status":"affected","version":"2016"},{"status":"affected","version":"2016  (Core installation)"},{"status":"affected","version":"2008 for 32-bit Systems Service Pack 2"},{"status":"affected","version":"2008 for 32-bit Systems Service Pack 2 (Core installation)"},{"status":"affected","version":"2008 for Itanium-Based Systems Service Pack 2"},{"status":"affected","version":"2008 for x64-based Systems Service Pack 2"},{"status":"affected","version":"2008 for x64-based Systems Service Pack 2 (Core installation)"},{"status":"affected","version":"2008 R2 for Itanium-Based Systems Service Pack 1"},{"status":"affected","version":"2008 R2 for x64-based Systems Service Pack 1"},{"status":"affected","version":"2008 R2 for x64-based Systems Service Pack 1 (Core installation)"},{"status":"affected","version":"2012"},{"status":"affected","version":"2012 (Core installation)"},{"status":"affected","version":"2012 R2"},{"status":"affected","version":"2012 R2 (Core installation)"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1020","source_modified_at":"2025-10-21T23:35:46.197Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows 10 Version 1909 for 32-bit Systems","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1020","source_modified_at":"2025-10-21T23:35:46.197Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows 10 Version 1909 for x64-based Systems","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE 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(Server Core installation)","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null}],"fixed_versions":[],"cvss":8.8,"severity":"High","kev":{"listed":true,"date_added":"2021-11-03","due_date":"2022-05-03","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.65037,"percentile":0.99253,"score_date":"2026-10-23"},"published_at":"2020-04-15T15:13:27.000Z","modified_at":"2025-10-21T23:35:46.197Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE 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ADP","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"total","assessed_at":"2025-02-07T15:14:47.948142Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T23:35:46.197Z","content_hash":"c307601bb70d5667d4f19050677a063d1a424bf84825ae6171b9aea2fbaf8451"}}