{"id":"CVE-2026-83511","published":"2026-10-13T19:19:56.460","lastModified":"2026-10-14T04:18:37.280","description":"Weak authentication in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.","cvssScore":7.4,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","cwes":["CWE-1390"],"vendors":[],"products":[],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83511","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}