{"id":"CVE-2018-8587","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-8587","generatedAt":"2026-10-28T23:14:17.774Z","title":"A remote code execution vulnerability exists in Microsoft Outlook software when it fails to properly handle objects in memory, aka \"Microsoft Outlook Remote Code Execution Vulnerability.\" This affects Office 365 ProPlus, Microsoft Office, Microsoft…","description":"A remote code execution vulnerability exists in Microsoft Outlook software when it fails to properly handle objects in memory, aka \"Microsoft Outlook Remote Code Execution Vulnerability.\" This affects Office 365 ProPlus, Microsoft Office, Microsoft Outlook.","published":"2018-12-12T00:29:01.000Z","lastModified":"2026-06-17T02:05:09.000Z","status":"Modified","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.0","score":7.8,"severity":"HIGH","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":[],"affected":["microsoft/office","microsoft/office 365 proplus"],"epss":{"score":0.28782,"percentile":0.98135,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.30491,"percentile":0.98197},{"date":"2026-09-22","score":0.28782,"percentile":0.9806}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 28.8%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/106097","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8587","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"http://www.securityfocus.com/bid/106097","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8587","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-8587","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."}