{"id":"CVE-2018-8246","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-8246","generatedAt":"2026-10-28T22:11:07.016Z","title":"An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory, aka \"Microsoft Excel Information Disclosure Vulnerability.\" This affects Microsoft Excel Viewer, Microsoft Office, Microsoft Excel.","description":"An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory, aka \"Microsoft Excel Information Disclosure Vulnerability.\" This affects Microsoft Excel Viewer, Microsoft Office, Microsoft Excel.","published":"2018-06-14T12:29:02.000Z","lastModified":"2026-06-17T02:04:30.000Z","status":"Modified","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.0","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"},"cwe":["CWE-200"],"affected":["microsoft/excel","microsoft/excel viewer","microsoft/office","microsoft/office compatibility pack"],"epss":{"score":0.18607,"percentile":0.97243,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.09653,"percentile":0.95332},{"date":"2026-09-22","score":0.18966,"percentile":0.97174}]},"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 18.6%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-22T00:00:00.000Z","detail":{"to":0.18966,"from":0.09653,"percentile":0.97174},"summary":"EPSS moved from 9.7% to 19.0% probability of exploitation in the next thirty days."}],"references":[{"url":"http://www.securityfocus.com/bid/104322","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id/1041109","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8246","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"http://www.securityfocus.com/bid/104322","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1041109","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8246","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-8246","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."}