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Medium severity5.3NVD Advisory· Published Oct 13, 2021· Updated Jun 17, 2026

CVE-2021-40456

CVE-2021-40456

Description

Windows AD FS Security Feature Bypass Vulnerability

Affected products

3

Microsoft/Windows Server 2019v5
cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2237:*:*:*:*:*:*:*
Range: 10.0.0
Microsoft/Windows Server 2003v5
cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.288:*:*:*:*:*:*:*
Range: 10.0.0
Microsoft/Windows AD FSllm-create

Patches

Vulnerability mechanics

References

1

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40456nvdPatchVendor Advisory

News mentions

0

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