{"id":"CVE-2018-8502","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-8502","generatedAt":"2026-10-28T20:11:54.379Z","title":"A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in Protected View, aka \"Microsoft Excel Remote Code Execution Vulnerability.\" This affects Office 365 ProPlus, Microsoft Office,…","description":"A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in Protected View, aka \"Microsoft Excel Remote Code Execution Vulnerability.\" This affects Office 365 ProPlus, Microsoft Office, Microsoft Excel.","published":"2018-10-10T13:29:05.000Z","lastModified":"2026-06-17T02:05:00.000Z","status":"Modified","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.0","score":8.8,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":[],"affected":["microsoft/excel","microsoft/office","microsoft/office 365 proplus"],"epss":{"score":0.20457,"percentile":0.9749,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.19139,"percentile":0.97255},{"date":"2026-09-22","score":0.20457,"percentile":0.97387}]},"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 20.5%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/105498","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id/1041839","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8502","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"http://www.securityfocus.com/bid/105498","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1041839","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8502","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-8502","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."}