Medium severity6.5NVD Advisory· Published Aug 15, 2018· Updated Jun 17, 2026
CVE-2018-8340
CVE-2018-8340
Description
A security feature bypass vulnerability exists when Active Directory Federation Services (AD FS) improperly handles multi-factor authentication requests, aka "AD FS Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows Server 2012 R2, Windows 10 Servers.
Affected products
4- Range: version 1709 (Server Core Installation)
- Range: (Server Core installation)
- Range: (Server Core installation)
Patches
Vulnerability mechanics
References
3- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8340nvdPatchVendor Advisory
- www.securityfocus.com/bid/105029nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1041474nvdThird Party AdvisoryVDB Entry
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