{"id":"CVE-2023-41763","aliases":["EUVD-2023-46255","GHSA-7997-4r78-h34m"],"status":"published","title":"Skype for Business Elevation of Privilege Vulnerability","description":"Skype for Business Elevation of Privilege Vulnerability","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.90282,"percentile":0.998,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2023-10-10T17:07:24Z","modified":"2026-06-17T06:22:45Z","kev":{"date_added":"2023-10-10","due_date":"2023-10-31","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2023-10-10"},{"source":"kev","since":"2023-10-10"}],"exploits":[{"source":"nuclei","id":"CVE-2023-41763","title":"Skype for Business 2019 (SfB) - Blind Server-side Request Forgery","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-41763.yaml"}],"products":[{"vendor":"microsoft","product":"skype for business"},{"vendor":"microsoft","product":"skype for business server 2015 cu13"},{"vendor":"microsoft","product":"skype for business server 2019 cu7"},{"vendor":"microsoft","product":"skype_for_business_server"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-41763","tags":["vendor-advisory","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-41763","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-41763"},{"url":"https://github.com/advisories/GHSA-7997-4r78-h34m"}],"sources":{"cve":[{"id":"CVE-2023-41763","title":"Skype for Business Elevation of Privilege Vulnerability","description":"Skype for Business Elevation of Privilege Vulnerability","status":"published","published":"2023-10-10T17:07:24.95Z","modified":"2025-10-21T23:05:34.874Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:35:18.88314Z"}],"euvd":[{"id":"EUVD-2023-46255","description":"Skype for Business Elevation of Privilege Vulnerability","status":"published","published":"2023-10-10T17:07:24Z","modified":"2025-10-21T23:05:34Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C","level":"medium"}],"exploited_since":"2023-10-10","updated_at":"2026-11-02T20:31:27.312976Z"}],"ghsa":[{"id":"GHSA-7997-4r78-h34m","title":"Skype for Business Elevation of Privilege Vulnerability","description":"Skype for Business Elevation of Privilege Vulnerability","status":"published","published":"2023-10-10T18:31:35Z","modified":"2025-10-22T00:33:56Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:04:08.734574Z"}],"kev":[{"id":"CVE-2023-41763","title":"Microsoft Skype for Business Privilege Escalation Vulnerability","description":"Microsoft Skype for Business contains an unspecified vulnerability that allows for privilege escalation.","cwes":["CWE-918"],"kev":{"date_added":"2023-10-10","due_date":"2023-10-31","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:16.234141Z"}],"nvd":[{"id":"CVE-2023-41763","description":"Skype for Business Elevation of Privilege Vulnerability","status":"published","published":"2023-10-10T18:15:18.15Z","modified":"2026-06-17T06:22:45.34Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:08:36.656095Z"}]}}