{"id":"CVE-2018-8474","aliases":["EUVD-2018-20104","GHSA-f9xx-wcf7-jwv3"],"status":"published","title":"A security feature bypass vulnerability exists when Lync for Mac 2011 fails to properly sanitize...","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.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.38177,"percentile":0.98571,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-20"],"published":"2018-09-13T00:00:00Z","modified":"2026-06-17T02:04:57Z","exploits":[{"source":"exploitdb","id":"EDB-45936","title":"Microsoft Lync for Mac 2011 - Injection Forced Browsing/Download","type":"dos","platform":"windows","date":"2018-12-04","verified":true,"url":"https://www.exploit-db.com/exploits/45936"}],"products":[{"vendor":"microsoft","product":"lync_for_mac"},{"vendor":"microsoft","product":"microsoft lync"}],"references":[{"url":"http://www.securitytracker.com/id/1041633","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/105268","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/45936/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8474","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8474"},{"url":"https://github.com/advisories/GHSA-f9xx-wcf7-jwv3"}],"sources":{"cve":[{"id":"CVE-2018-8474","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.","status":"published","published":"2018-09-13T00:00:00Z","modified":"2024-08-05T06:54:36.655Z","updated_at":"2026-11-02T14:35:04.172099Z"}],"euvd":[{"id":"EUVD-2018-20104","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.","status":"published","published":"2018-09-13T00:00:00Z","modified":"2024-08-05T06:54:36Z","updated_at":"2026-11-03T02:40:02.600498Z"}],"ghsa":[{"id":"GHSA-f9xx-wcf7-jwv3","title":"A security feature bypass vulnerability exists when Lync for Mac 2011 fails to properly sanitize...","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.","status":"published","published":"2022-05-14T01:30:15Z","modified":"2023-02-02T05:03:57Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:51:45.334217Z"}],"nvd":[{"id":"CVE-2018-8474","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.","status":"published","published":"2018-09-13T00:29:07.083Z","modified":"2026-06-17T02:04:57.25Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:04:40.661264Z"}]}}