{"schema":"threatline.record/2","record":{"id":"CVE-2018-8453","aliases":[],"summary":"Microsoft Win32k Privilege Escalation Vulnerability","details":"Microsoft Windows Win32k contains a vulnerability that allows an attacker to escalate privileges.","categories":["Operating systems"],"product":"Win32k","vendor":"Microsoft","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2018-8453","source_modified_at":"2026-08-13T03:55:24.697Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows 7","vendor":"Microsoft","versions":[{"status":"affected","version":"32-bit Systems Service Pack 1"},{"status":"affected","version":"x64-based Systems Service Pack 1"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2018-8453","source_modified_at":"2026-08-13T03:55:24.697Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows Server 2012 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Systems"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2018-8453","source_modified_at":"2026-08-13T03:55:24.697Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows 10 Servers","vendor":"Microsoft","versions":[{"status":"affected","version":"version 1709  (Server Core Installation)"},{"status":"affected","version":"version 1803  (Server Core Installation)"}],"defaultStatus":null}],"fixed_versions":[],"cvss":7.8,"severity":"High","kev":{"listed":true,"date_added":"2022-01-21","due_date":"2022-07-21","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Known"},"epss":{"probability":0.70042,"percentile":0.99379,"score_date":"2026-10-23"},"published_at":"2018-10-10T13:00:00.000Z","modified_at":"2026-08-13T03:55:24.697Z","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-2018-8453","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-08-13T03:55:24.697Z"},{"source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/local/cve_2018_8453_win32k_priv_esc.rb","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2018-10-09"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/47134","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2019-07-17"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2018-8453","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-2018-8453","source":"CISA KEV"},{"source":"CVE List","url":"https://securelist.com/cve-2018-8453-used-in-targeted-attack","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8453","tags":["x_refsource_CONFIRM","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8453","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":"2022-01-20T00:00:00+00:00"},"exploits":[{"source":"Metasploit","kind":"Exploit module","name":"Windows NtUserSetWindowFNID Win32k User Callback","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/local/cve_2018_8453_win32k_priv_esc.rb","date":"2018-10-09","added":"2025-06-25","check":false},{"source":"Exploit-DB","kind":"Local exploit","name":"Microsoft Windows - NtUserSetWindowFNID Win32k User Callback Privilege Escalation (Metasploit)","url":"https://www.exploit-db.com/exploits/47134","date":"2019-07-17","added":"2019-07-17","verified":true},{"source":"Exploit-DB","kind":"Local exploit","name":"Microsoft Windows - NtUserSetWindowFNID Win32k User Callback Privilege Escalation (Metasploit)","url":"https://www.exploit-db.com/exploits/47134","date":"2019-07-17","added":"2019-07-17","verified":true}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-08-13T03:55:24.697Z","content_hash":"82c5a70ecbc1b829e4bc642ab6d492c6ccca23c25dc4d2f70f03b10efbdb29f3"}}