{"id":"CVE-2018-8474","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-8474","generatedAt":"2026-10-28T21:57:44.396Z","title":"A security feature bypass vulnerability exists when Lync for Mac 2011 fails to properly sanitize specially crafted messages, aka \"Lync for Mac 2011 Security Feature Bypass Vulnerability.\" This affects Microsoft Lync.","description":"A security feature bypass vulnerability exists when Lync for Mac 2011 fails to properly sanitize specially crafted messages, aka \"Lync for Mac 2011 Security Feature Bypass Vulnerability.\" This affects Microsoft Lync.","published":"2018-09-13T00:29:07.000Z","lastModified":"2026-06-17T02:04:57.000Z","status":"Modified","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},"cwe":["CWE-20"],"affected":["microsoft/lync for mac"],"epss":{"score":0.38177,"percentile":0.98554,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.55354,"percentile":0.99014},{"date":"2026-09-22","score":0.38177,"percentile":0.98494}]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2018-12-04","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":45936,"kind":"exploit","title":"Microsoft Lync for Mac 2011 - Injection Forced Browsing/Download","url":"https://www.exploit-db.com/exploits/45936","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/dos/45936.ps1","file":"exploits/windows/dos/45936.ps1","published":"2018-12-04","added":"2018-12-04","updated":"2018-12-04","author":"nyxgeek","type":"dos","platform":"windows","port":null,"verified":true,"codes":["CVE-2018-8474"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.trustedsec.com/2018/09/full-disclosure-microsoft-lync-for-mac-2011-susceptible-to-forced-browsing-download-attack/"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 38.2%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-21T00:00:00.000Z","detail":{"to":0.55354,"from":0.38177,"percentile":0.99014},"summary":"EPSS moved from 38.2% to 55.4% probability of exploitation in the next thirty days."}],"references":[{"url":"http://www.securityfocus.com/bid/105268","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id/1041633","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8474","tags":["Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"https://www.exploit-db.com/exploits/45936/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securityfocus.com/bid/105268","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1041633","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8474","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/45936/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-8474","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."}