{"schema":"threatline.record/2","record":{"id":"CVE-2019-1458","aliases":[],"summary":"Microsoft Win32k Privilege Escalation Vulnerability","details":"A privilege escalation vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k EoP.","categories":["Operating systems"],"product":"Win32k","vendor":"Microsoft","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2019-1458","source_modified_at":"2026-08-12T03:55:53.254Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows","vendor":"Microsoft","versions":[{"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-2019-1458","source_modified_at":"2026-08-12T03:55:53.254Z","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 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}],"fixed_versions":[],"cvss":7.8,"severity":"High","kev":{"listed":true,"date_added":"2022-01-10","due_date":"2022-07-10","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Known"},"epss":{"probability":0.74438,"percentile":0.99494,"score_date":"2026-10-23"},"published_at":"2019-12-10T21:40:57.000Z","modified_at":"2026-08-12T03:55:53.254Z","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-2019-1458","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-08-12T03:55:53.254Z"},{"source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/local/cve_2019_1458_wizardopium.rb","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2019-12-10"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/48180","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2020-03-03"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2019-1458","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Metasploit","Exploit-DB","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-1458","source":"CISA KEV"},{"source":"CVE List","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1458","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1458","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":"2022-01-04T00:00:00+00:00"},"exploits":[{"source":"Metasploit","kind":"Exploit module","name":"Microsoft Windows Uninitialized Variable Local Privilege Elevation","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/local/cve_2019_1458_wizardopium.rb","date":"2019-12-10","added":"2026-04-22","check":true},{"source":"Exploit-DB","kind":"Local exploit","name":"Microsoft Windows - 'WizardOpium' Local Privilege Escalation","url":"https://www.exploit-db.com/exploits/48180","date":"2020-03-03","added":"2020-03-09","verified":false}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-08-12T03:55:53.254Z","content_hash":"69a96f4bd8af0d16661884c3774d5c41577aa44251578e96025f0aef0398c6e2"}}