{"id":"CVE-2026-83893","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-83893","generatedAt":"2026-10-28T06:35:34.491Z","title":"Exposure of sensitive system information to an unauthorized control sphere in Windows Clipboard User Service allows an authorized attacker to disclose information locally.","description":"Exposure of sensitive system information to an unauthorized control sphere in Windows Clipboard User Service allows an authorized attacker to disclose information locally.","published":"2026-10-13T19:20:41.000Z","lastModified":"2026-10-21T13:10:42.000Z","status":"Analyzed","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-497"],"affected":["microsoft/windows 10 1809","microsoft/windows 10 21h2","microsoft/windows 10 22h2","microsoft/windows 11 23h2","microsoft/windows 11 24h2","microsoft/windows 11 25h2","microsoft/windows 11 26h1","microsoft/windows 11 26h2","microsoft/windows server 2019","microsoft/windows server 2022","microsoft/windows server 2025"],"epss":{"score":0.00544,"percentile":0.45462,"date":"2026-10-27","history":[{"date":"2026-10-14","score":0.0049,"percentile":0.40629}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.54%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-13T19:20:41.000Z","detail":{"score":"5.5","severity":"MEDIUM","publishedAt":"2026-10-13T19:20:40.533Z"},"summary":"New CVE, medium severity (CVSS 5.5)."}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83893","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-83893","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."}