{"schema":"threatline.record/2","record":{"id":"CVE-2020-1040","aliases":[],"summary":"Microsoft Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability","details":"Microsoft Hyper-V RemoteFX vGPU contains an improper input validation vulnerability due to the host server failing to properly validate input from an authenticated user on a guest operating system. Successful exploitation allows for remote code execution on the host operating system.","categories":["Unclassified"],"product":"Hyper-V RemoteFX","vendor":"Microsoft","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1040","source_modified_at":"2025-10-21T23:35:39.818Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows Server","vendor":"Microsoft","versions":[{"status":"affected","version":"2016"},{"status":"affected","version":"2016  (Core installation)"},{"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}],"fixed_versions":[],"cvss":9,"severity":"Critical","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":0.07393,"percentile":0.9442,"score_date":"2026-10-23"},"published_at":"2020-07-14T22:53:58.000Z","modified_at":"2025-10-21T23:35:39.818Z","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 List","url":"https://www.cve.org/CVERecord?id=CVE-2020-1040","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:35:39.818Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2020-1040","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1040","source":"CISA KEV"},{"source":"CVE List","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1040","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://nvidia.custhelp.com/app/answers/detail/a_id/5044","tags":["x_refsource_CONFIRM","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1040","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"total","assessed_at":"2025-02-04T22:03:04.327706Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2025-10-21T23:35:39.818Z","content_hash":"e0dbe9a08e61e39a86525fb1a1c0c74dbdd5c9a48ccf9fbb570c2dd373cd4988"}}