{"id":"CVE-2026-83746","aliases":["EUVD-2026-100141","GHSA-69h8-r8mw-xc99"],"status":"published","title":"Skype for Business Elevation of Privilege Vulnerability","description":"Absolute path traversal in Skype for Business and Microsoft Lync allows an authorized attacker to elevate privileges over a network.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01147,"percentile":0.67195,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-36"],"published":"2026-10-13T19:01:10Z","modified":"2026-11-10T20:43:58Z","products":[{"vendor":"microsoft","product":"skype for business server 2015 cu13"},{"vendor":"microsoft","product":"skype for business server 2019 cu8"},{"vendor":"microsoft","product":"skype for business server subscription edition cu1"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83746","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-83746"},{"url":"https://github.com/advisories/GHSA-69h8-r8mw-xc99"}],"sources":{"cve":[{"id":"CVE-2026-83746","title":"Skype for Business Elevation of Privilege Vulnerability","description":"Absolute path traversal in Skype for Business and Microsoft Lync allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-10-13T19:01:10.375Z","modified":"2026-11-10T20:43:58.019Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-36"],"updated_at":"2026-11-10T22:18:28.707469Z"}],"euvd":[{"id":"EUVD-2026-100141","description":"Absolute path traversal in Skype for Business and Microsoft Lync allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-10-13T19:01:10Z","modified":"2026-11-10T20:43:58Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T22:23:56.642439Z"}],"ghsa":[{"id":"GHSA-69h8-r8mw-xc99","title":"Absolute path traversal in Skype for Business and Microsoft Lync allows an authorized attacker to...","description":"Absolute path traversal in Skype for Business and Microsoft Lync allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-10-13T21:34:47Z","modified":"2026-10-13T21:34:54Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-36"],"updated_at":"2026-11-02T15:13:16.842321Z"}],"nvd":[{"id":"CVE-2026-83746","description":"Absolute path traversal in Skype for Business and Microsoft Lync allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-10-13T19:20:20.157Z","modified":"2026-10-13T21:18:44.96Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-36"],"updated_at":"2026-11-02T14:12:57.603498Z"}]}}