Description
<p>An elevation of privilege vulnerability exists when Active Directory Federation Services (ADFS) improperly handles multi-factor authentication requests. An attacker who successfully exploited this vulnerability could bypass some, but not all, of the authentication factors.</p> <p>To exploit this vulnerability, an attacker could send a specially crafted authentication request.</p> <p>This security update corrects how ADFS handles multi-factor authentication requests.</p>
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Microsoft Windows 10 Version 1809
10.0.0 to < publicationaffected
Microsoft Windows Server 2019
10.0.0 to < publicationaffected
Microsoft Windows Server 2019 (Server Core installation)
10.0.0 to < publicationaffected
Microsoft Windows 10 Version 1909
10.0.0 to < publicationaffected
Microsoft Windows Server, version 1909 (Server Core installation)
10.0.0 to < publicationaffected
Microsoft Windows 10 Version 1903 for 32-bit Systems
10.0.0 to < publicationaffected
Microsoft Windows 10 Version 1903 for x64-based Systems
10.0.0 to < publicationaffected
Microsoft Windows 10 Version 1903 for ARM64-based Systems
10.0.0 to < publicationaffected
Microsoft Windows Server, version 1903 (Server Core installation)
10.0.0 to < publicationaffected
Microsoft Windows 10 Version 2004
10.0.0 to < publicationaffected
Microsoft Windows Server version 2004
10.0.0 to < publicationaffected
Microsoft Windows 10 Version 1607
10.0.0 to < publicationaffected
Microsoft Windows Server 2016
10.0.0 to < publicationaffected
Microsoft Windows Server 2016 (Server Core installation)
10.0.0 to < publicationaffected