{"schema":"threatline.record/2","record":{"id":"CVE-2023-41763","aliases":[],"summary":"Microsoft Skype for Business Privilege Escalation Vulnerability","details":"Microsoft Skype for Business contains an unspecified vulnerability that allows for privilege escalation.","categories":["Unclassified"],"product":"Skype for Business","vendor":"Microsoft","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-41763","source_modified_at":"2025-10-21T23:05:34.874Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Skype for Business Server 2015 CU13","vendor":"Microsoft","versions":[{"version":"9319.0","lessThan":"6.0.9319.869","versionType":"custom","status":"affected"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-41763","source_modified_at":"2025-10-21T23:05:34.874Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Skype for Business Server 2019 CU7","vendor":"Microsoft","versions":[{"version":"2046.0","lessThan":"7.0.246.530","versionType":"custom","status":"affected"}],"defaultStatus":null}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-41763","source_modified_at":"2025-10-21T23:05:34.874Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Skype for Business Server 2015 CU13","ecosystem":null},"version":"6.0.9319.869","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-41763","source_modified_at":"2025-10-21T23:05:34.874Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Skype for Business Server 2019 CU7","ecosystem":null},"version":"7.0.246.530","basis":"first unaffected version stated in the CVE record"}],"cvss":5.3,"severity":"Medium","kev":{"listed":true,"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.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.90547,"percentile":0.99804,"score_date":"2026-10-23"},"published_at":"2023-10-10T17:07:24.950Z","modified_at":"2025-10-21T23:05:34.874Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2023-41763","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:05:34.874Z"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-41763.yaml","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":null},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2023-41763","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Nuclei","EPSS"],"references":[{"url":"https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-41763","source":"CISA KEV"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-41763","source":"CISA KEV"},{"source":"CVE List","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-41763","tags":["vendor-advisory","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-41763","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"partial","assessed_at":"2024-07-16T20:26:59.238274Z"},"exploits":[{"source":"Nuclei","kind":"Scanner template","name":"Skype for Business 2019 (SfB) - Blind Server-side Request Forgery","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-41763.yaml"}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2025-10-21T23:05:34.874Z","content_hash":"3fc4e3addc260c494bd5392e3c95af1ba2dd9da8c889cd1afffac9f30c93769d"}}