CVEvulnerability

CVE-2018-8340

6.5 MEDIUM Published 2018-08-15 Modified 2026-06-17 Official page ↗

Status: Modified
Published: 2018-08-15
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.0 ([email protected]): 6.5 MEDIUM — CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected]): 4.0 MEDIUM — AV:N/AC:L/Au:S/C:P/I:N/A:N

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 configurations

• microsoft windows server 2012 r2 • microsoft windows server 2016 • microsoft windows server 2016 1709 • microsoft windows server 2016 1803

References

http://www.securityfocus.com/bid/105029 Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041474 Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8340 Patch, Vendor Advisory
http://www.securityfocus.com/bid/105029 Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041474 Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8340 Patch, Vendor Advisory