{"id":"CVE-2018-8311","aliases":["EUVD-2018-19964","GHSA-v5v7-qp5p-hxjg"],"status":"published","title":"A remote code execution vulnerability exists when Skype for Business and Microsoft Lync clients...","description":"A remote code execution vulnerability exists when Skype for Business and Microsoft Lync clients fail to properly sanitize specially crafted content, aka \"Remote Code Execution Vulnerability in Skype For Business and Lync.\" This affects Skype, Microsoft Lync.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.16868,"percentile":0.97064,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2018-07-11T00:00:00Z","modified":"2026-06-17T02:04:36Z","products":[{"vendor":"microsoft","product":"lync"},{"vendor":"microsoft","product":"microsoft lync"},{"vendor":"microsoft","product":"skype"},{"vendor":"microsoft","product":"skype_for_business"}],"references":[{"url":"http://www.securityfocus.com/bid/104624","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id/1041259","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id/1041260","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8311","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8311"},{"url":"https://github.com/advisories/GHSA-v5v7-qp5p-hxjg"}],"sources":{"cve":[{"id":"CVE-2018-8311","description":"A remote code execution vulnerability exists when Skype for Business and Microsoft Lync clients fail to properly sanitize specially crafted content, aka \"Remote Code Execution Vulnerability in Skype For Business and Lync.\" This affects Skype, Microsoft Lync.","status":"published","published":"2018-07-11T00:00:00Z","modified":"2024-08-05T06:54:35.227Z","updated_at":"2026-11-02T14:35:04.540365Z"}],"euvd":[{"id":"EUVD-2018-19964","description":"A remote code execution vulnerability exists when Skype for Business and Microsoft Lync clients fail to properly sanitize specially crafted content, aka \"Remote Code Execution Vulnerability in Skype For Business and Lync.\" This affects Skype, Microsoft Lync.","status":"published","published":"2018-07-11T00:00:00Z","modified":"2024-08-05T06:54:35Z","updated_at":"2026-11-03T02:40:03.749866Z"}],"ghsa":[{"id":"GHSA-v5v7-qp5p-hxjg","title":"A remote code execution vulnerability exists when Skype for Business and Microsoft Lync clients...","description":"A remote code execution vulnerability exists when Skype for Business and Microsoft Lync clients fail to properly sanitize specially crafted content, aka \"Remote Code Execution Vulnerability in Skype For Business and Lync.\" This affects Skype, Microsoft Lync.","status":"published","published":"2022-05-14T03:00:08Z","modified":"2023-02-02T05:07:01Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:52:24.832262Z"}],"nvd":[{"id":"CVE-2018-8311","description":"A remote code execution vulnerability exists when Skype for Business and Microsoft Lync clients fail to properly sanitize specially crafted content, aka \"Remote Code Execution Vulnerability in Skype For Business and Lync.\" This affects Skype, Microsoft Lync.","status":"published","published":"2018-07-11T00:29:02.133Z","modified":"2026-06-17T02:04:36.753Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:04:32.929986Z"}]}}