{"schema":"threatline.record/2","record":{"id":"CVE-2019-0797","aliases":[],"summary":"Microsoft Win32k Privilege Escalation Vulnerability","details":"Microsoft Win32k contains a privilege escalation vulnerability when the Win32k component fails to properly handle objects in memory. Successful exploitation allows an attacker to execute code in kernel mode.","categories":["Operating systems"],"product":"Win32k","vendor":"Microsoft","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2019-0797","source_modified_at":"2025-10-21T23:45:40.120Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows Server","vendor":"Microsoft","versions":[{"status":"affected","version":"2012"},{"status":"affected","version":"2012 (Core installation)"},{"status":"affected","version":"2012 R2"},{"status":"affected","version":"2012 R2 (Core installation)"},{"status":"affected","version":"2016"},{"status":"affected","version":"2016  (Core installation)"},{"status":"affected","version":"version 1709  (Core Installation)"},{"status":"affected","version":"version 1803  (Core Installation)"},{"status":"affected","version":"2019"},{"status":"affected","version":"2019  (Core installation)"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2019-0797","source_modified_at":"2025-10-21T23:45:40.120Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows","vendor":"Microsoft","versions":[{"status":"affected","version":"8.1 for 32-bit systems"},{"status":"affected","version":"8.1 for x64-based systems"},{"status":"affected","version":"RT 8.1"},{"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":"10 Version 1703 for 32-bit Systems"},{"status":"affected","version":"10 Version 1703 for x64-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 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 ARM64-based Systems"}],"defaultStatus":null}],"fixed_versions":[],"cvss":7.8,"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":0.01874,"percentile":0.79238,"score_date":"2026-10-23"},"published_at":"2019-04-09T02:34:55.000Z","modified_at":"2025-10-21T23:45:40.120Z","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-2019-0797","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:45:40.120Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2019-0797","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-2019-0797","source":"CISA KEV"},{"source":"CVE List","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0797","tags":["x_refsource_CONFIRM","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0797","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":"2025-02-07T16:19:00.882676Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T23:45:40.120Z","content_hash":"ca6ea3f8eb04f80b74023947a888ac56e55402835b9ec4de02a7099b609d4d9f"}}