{"id":"CVE-2018-0824","aliases":["EUVD-2018-1629","GHSA-6w8g-777w-9mcc"],"status":"published","title":"A remote code execution vulnerability exists in \"Microsoft COM for Windows\" when it fails to...","description":"A remote code execution vulnerability exists in \"Microsoft COM for Windows\" when it fails to properly handle serialized objects, aka \"Microsoft COM for Windows Remote Code Execution Vulnerability.\" This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.73037,"percentile":0.99459,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"cwes":["CWE-502"],"published":"2018-05-09T19:00:00Z","modified":"2026-06-17T01:31:44Z","kev":{"date_added":"2024-08-05","due_date":"2024-08-26","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2024-08-05"},{"source":"kev","since":"2024-08-05"}],"exploits":[{"source":"pocgithub","id":"codewhitesec/UnmarshalPwn","title":"codewhitesec/UnmarshalPwn","date":"2018-06-15","url":"https://github.com/codewhitesec/UnmarshalPwn"},{"source":"exploitdb","id":"EDB-44906","title":"Microsoft COM for Windows - Privilege Escalation","type":"local","platform":"windows","date":"2018-06-18","url":"https://www.exploit-db.com/exploits/44906"},{"source":"metasploit","id":"post/windows/escalate/unmarshal_cmd_exec","title":"Windows unmarshal post exploitation","type":"post","platform":"Windows","date":"2018-08-05","verified":true,"url":"https://www.rapid7.com/db/modules/post/windows/escalate/unmarshal_cmd_exec"}],"products":[{"vendor":"microsoft","product":"windows"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_10_1507"},{"vendor":"microsoft","product":"windows_10_1607"},{"vendor":"microsoft","product":"windows_10_1703"},{"vendor":"microsoft","product":"windows_10_1709"},{"vendor":"microsoft","product":"windows_10_1803"},{"vendor":"microsoft","product":"windows_7"},{"vendor":"microsoft","product":"windows_8.1"},{"vendor":"microsoft","product":"windows_rt_8.1"},{"vendor":"microsoft","product":"windows_server_1709"},{"vendor":"microsoft","product":"windows_server_1803"},{"vendor":"microsoft","product":"windows_server_2008"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_server_2016"}],"references":[{"url":"http://www.securitytracker.com/id/1040848","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/44906/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/104030","tags":["vdb-entry","x_refsource_BID","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0824","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0824","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-0824"},{"url":"https://www.exploit-db.com/exploits/44906"},{"url":"https://github.com/advisories/GHSA-6w8g-777w-9mcc"}],"sources":{"cve":[{"id":"CVE-2018-0824","description":"A remote code execution vulnerability exists in \"Microsoft COM for Windows\" when it fails to properly 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Servers.","status":"published","published":"2022-05-14T01:22:26Z","modified":"2025-10-22T00:32:36Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:04:05.954742Z"}],"kev":[{"id":"CVE-2018-0824","title":"Microsoft COM for Windows Deserialization of Untrusted Data Vulnerability","description":"Microsoft COM for Windows contains a deserialization of untrusted data vulnerability that allows for privilege escalation and remote code execution via a specially crafted file or script.","cwes":["CWE-502"],"kev":{"date_added":"2024-08-05","due_date":"2024-08-26","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:16.234141Z"}],"nvd":[{"id":"CVE-2018-0824","description":"A remote code execution vulnerability exists in \"Microsoft COM for Windows\" when it fails to properly handle serialized objects, aka \"Microsoft COM for Windows Remote Code Execution Vulnerability.\" This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.","status":"published","published":"2018-05-09T19:29:00.37Z","modified":"2026-06-17T01:31:44.387Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":5.1,"vector":"AV:N/AC:H/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:04:26.098615Z"}]}}