{"cve":{"cve_id":"CVE-2018-8238","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.05456,"epss_percentile":0.917,"epss_as_of":"2026-06-23","description":"A security feature bypass vulnerability exists when Skype for Business or Lync do not properly parse UNC path links shared via messages, aka \"Skype for Business and Lync Security Feature Bypass Vulnerability.\" This affects Skype, Microsoft Lync.","published_at":"2018-07-11T00:00:00Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":null,"nvd_references":["http://www.securityfocus.com/bid/104619","https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8238"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:11:40.235760Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"microsoft","vendor_name":"Microsoft","product_slug":"microsoft-lync","product_name":"Microsoft Lync","version_start":"2013 Service Pack 1 (32-bit)","version_start_inclusive":true,"version_end":"2013 Service Pack 1 (32-bit)","version_end_inclusive":true,"cpe23_uri":"cve5:microsoft:microsoft-lync:2013 Service Pack 1 (32-bit):2013 Service Pack 1 (32-bit)"},{"vendor_slug":"microsoft","vendor_name":"Microsoft","product_slug":"microsoft-lync","product_name":"Microsoft Lync","version_start":"2013 Service Pack 1 (64-bit)","version_start_inclusive":true,"version_end":"2013 Service Pack 1 (64-bit)","version_end_inclusive":true,"cpe23_uri":"cve5:microsoft:microsoft-lync:2013 Service Pack 1 (64-bit):2013 Service Pack 1 (64-bit)"},{"vendor_slug":"microsoft","vendor_name":"Microsoft","product_slug":"skype","product_name":"Skype","version_start":"Business 2016 (32-bit)","version_start_inclusive":true,"version_end":"Business 2016 (32-bit)","version_end_inclusive":true,"cpe23_uri":"cve5:microsoft:skype:Business 2016 (32-bit):Business 2016 (32-bit)"},{"vendor_slug":"microsoft","vendor_name":"Microsoft","product_slug":"skype","product_name":"Skype","version_start":"Business 2016 (64-bit)","version_start_inclusive":true,"version_end":"Business 2016 (64-bit)","version_end_inclusive":true,"cpe23_uri":"cve5:microsoft:skype:Business 2016 (64-bit):Business 2016 (64-bit)"}],"exploit_refs":[],"news":[],"references":[{"url":"http://www.securityfocus.com/bid/104619","source_type":"MISC","tags":[]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8238","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2018-07-11T00:00:00Z","label":"CVE published","source":null}]}