{"id":"CVE-2018-0986","aliases":["EUVD-2018-1763","GHSA-v2gp-f824-rv7r"],"status":"published","title":"A remote code execution vulnerability exists when the Microsoft Malware Protection Engine does...","description":"A remote code execution vulnerability exists when the Microsoft Malware Protection Engine does not properly scan a specially crafted file, leading to memory corruption, aka \"Microsoft Malware Protection Engine Remote Code Execution Vulnerability.\" This affects Windows Defender, Windows Intune Endpoint Protection, Microsoft Security Essentials, Microsoft System Center Endpoint Protection, Microsoft Exchange Server, Microsoft System Center, Microsoft Forefront Endpoint Protection.","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":"2026-11-09","score":0.63268,"percentile":0.99211,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-787"],"published":"2018-04-04T17:00:00Z","modified":"2026-06-17T01:32:08Z","exploits":[{"source":"exploitdb","id":"EDB-44402","title":"Microsoft Windows Defender - 'mpengine.dll' Memory Corruption","type":"dos","platform":"windows","date":"2018-04-05","verified":true,"url":"https://www.exploit-db.com/exploits/44402"}],"products":[{"vendor":"microsoft","product":"exchange_server"},{"vendor":"microsoft","product":"forefront_endpoint_protection_2010"},{"vendor":"microsoft","product":"intune_endpoint_protection"},{"vendor":"microsoft","product":"microsoft exchange server"},{"vendor":"microsoft","product":"microsoft forefront endpoint protection"},{"vendor":"microsoft","product":"microsoft security essentials"},{"vendor":"microsoft","product":"microsoft system center"},{"vendor":"microsoft","product":"microsoft system center endpoint protection"},{"vendor":"microsoft","product":"security_essentials"},{"vendor":"microsoft","product":"system_center_endpoint_protection"},{"vendor":"microsoft","product":"windows defender"},{"vendor":"microsoft","product":"windows intune endpoint protection"},{"vendor":"microsoft","product":"windows_defender"}],"references":[{"url":"http://www.securitytracker.com/id/1040631","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/103593","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0986","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.exploit-db.com/exploits/44402/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-0986"},{"url":"https://github.com/advisories/GHSA-v2gp-f824-rv7r"}],"sources":{"cve":[{"id":"CVE-2018-0986","description":"A remote code execution vulnerability exists when the Microsoft Malware Protection Engine does not properly scan a specially crafted file, leading to memory corruption, aka \"Microsoft Malware Protection Engine Remote Code Execution Vulnerability.\" This affects Windows Defender, Windows Intune Endpoint Protection, Microsoft Security Essentials, Microsoft System Center Endpoint Protection, Microsoft Exchange Server, Microsoft System Center, Microsoft Forefront Endpoint Protection.","status":"published","published":"2018-04-04T17:00:00Z","modified":"2024-08-05T03:44:11.806Z","updated_at":"2026-11-02T14:35:12.160284Z"}],"euvd":[{"id":"EUVD-2018-1763","description":"A remote code execution vulnerability exists when the Microsoft Malware Protection Engine does not properly scan a specially crafted file, leading to memory corruption, aka \"Microsoft Malware Protection Engine Remote Code Execution Vulnerability.\" This affects Windows Defender, Windows Intune Endpoint Protection, Microsoft Security Essentials, Microsoft System Center Endpoint Protection, Microsoft Exchange Server, Microsoft System Center, Microsoft Forefront Endpoint Protection.","status":"published","published":"2018-04-04T17:00:00Z","modified":"2024-08-05T03:44:11Z","updated_at":"2026-11-03T02:40:16.874515Z"}],"ghsa":[{"id":"GHSA-v2gp-f824-rv7r","title":"A remote code execution vulnerability exists when the Microsoft Malware Protection Engine does...","description":"A remote code execution vulnerability exists when the Microsoft Malware Protection Engine does not properly scan a specially crafted file, leading to memory corruption, aka \"Microsoft Malware Protection Engine Remote Code Execution Vulnerability.\" This affects Windows Defender, Windows Intune Endpoint Protection, Microsoft Security Essentials, Microsoft System Center Endpoint Protection, Microsoft Exchange Server, Microsoft System Center, Microsoft Forefront Endpoint Protection.","status":"published","published":"2022-05-13T01:06:14Z","modified":"2023-02-01T05:02:56Z","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"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:49:59.47413Z"}],"nvd":[{"id":"CVE-2018-0986","description":"A remote code execution vulnerability exists when the Microsoft Malware Protection Engine does not properly scan a specially crafted file, leading to memory corruption, aka \"Microsoft Malware Protection Engine Remote Code Execution Vulnerability.\" This affects Windows Defender, Windows Intune Endpoint Protection, Microsoft Security Essentials, Microsoft System Center Endpoint Protection, Microsoft Exchange Server, Microsoft System Center, Microsoft Forefront Endpoint Protection.","status":"published","published":"2018-04-04T17:29:01.583Z","modified":"2026-06-17T01:32:08.907Z","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":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:04:24.700429Z"}]}}