{"id":"CVE-2018-8305","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-8305","generatedAt":"2026-10-28T19:04:52.373Z","title":"An information disclosure vulnerability exists in Windows Mail Client when a message is opened, aka \"Windows Mail Client Information Disclosure Vulnerability.\" This affects Mail, Calendar, and People in Windows 8.1 App Store.","description":"An information disclosure vulnerability exists in Windows Mail Client when a message is opened, aka \"Windows Mail Client Information Disclosure Vulnerability.\" This affects Mail, Calendar, and People in Windows 8.1 App Store.","published":"2018-07-11T00:29:02.000Z","lastModified":"2026-06-17T02:04:36.000Z","status":"Modified","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.0","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"},"cwe":["CWE-200"],"affected":["microsoft/windows calendar","microsoft/windows mail","microsoft/windows people"],"epss":{"score":0.08592,"percentile":0.95052,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.06578,"percentile":0.93609},{"date":"2026-09-22","score":0.08356,"percentile":0.94701}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (8.59%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/104618","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id/1041270","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8305","tags":["Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"http://www.securityfocus.com/bid/104618","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1041270","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8305","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-8305","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."}