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.
References (3)
Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1041474
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/105029
Patch, Vendor Advisory x_refsource_confirm
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8340
Scores
CVSS v3
6.5
EPSS
0.0758
EPSS Percentile
93.9%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
Status
published
Products (4)
microsoft/windows_server_2012
r2
microsoft/windows_server_2016
microsoft/windows_server_2016
1709
microsoft/windows_server_2016
1803
Published
Aug 15, 2018
Tracked Since
Feb 18, 2026