{"id":"CVE-2023-41763","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-41763","generatedAt":"2026-10-31T10:22:30.466Z","title":"Microsoft Skype for Business Privilege Escalation Vulnerability","description":"Skype for Business Elevation of Privilege Vulnerability","published":"2023-10-10T18:15:18.000Z","lastModified":"2026-06-17T06:22:45.000Z","status":"Analyzed","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.1","score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},"cwe":["CWE-918"],"affected":["microsoft/skype for business server"],"epss":{"score":0.90547,"percentile":0.99801,"date":"2026-10-30","history":[]},"kev":{"listed":true,"dateAdded":"2023-10-10","dueDate":"2023-10-31","knownRansomwareCampaignUse":"Unknown","notes":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.\nhttps://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-41763;   https://nvd.nist.gov/vuln/detail/CVE-2023-41763"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 31 October 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-41763","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-41763","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-41763","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-41763","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}