{"id":"CVE-2018-0986","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-0986","generatedAt":"2026-10-28T22:13:50.638Z","title":"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…","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.","published":"2018-04-04T17:29:02.000Z","lastModified":"2026-06-17T01:32:09.000Z","status":"Modified","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-787"],"affected":["microsoft/exchange server","microsoft/security essentials","microsoft/forefront endpoint protection 2010","microsoft/intune endpoint protection","microsoft/system center endpoint protection","microsoft/windows defender"],"epss":{"score":0.63268,"percentile":0.99202,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2018-04-05","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":44402,"kind":"exploit","title":"Microsoft Windows Defender - 'mpengine.dll' Memory Corruption","url":"https://www.exploit-db.com/exploits/44402","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/dos/44402.txt","file":"exploits/windows/dos/44402.txt","published":"2018-04-05","added":"2018-04-05","updated":"2018-04-05","author":"Google Security Research","type":"dos","platform":"windows","port":null,"verified":true,"codes":["CVE-2018-0986"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://bugs.chromium.org/p/project-zero/issues/detail?id=1543&desc=2"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 63.3%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/103593","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id/1040631","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0986","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"https://www.exploit-db.com/exploits/44402/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securityfocus.com/bid/103593","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1040631","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0986","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/44402/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-0986","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}