Skip to content
OpenAdvisories
High · 8.1 Publicly disclosed CVE-2021-33779 EUVD-2021-20456GHSA-jgpr-7x8j-xjhf

Windows AD FS Security Feature Bypass Vulnerability

Published Jul 14, 2021 · Updated Aug 10, 2026 · Assigned by microsoft

Vendor: Microsoft Product: Windows Server 2016 Product: Windows Server 2016 (Server Core installation) Product: Windows Server 2019 Product: Windows Server 2019 (Server Core installation) Product: Windows Server version 2004 Product: Windows Server version 20H2 Platform: Windows

Description

Windows AD FS Security Feature Bypass Vulnerability

Affected products

VendorProductAffectedFixed
Microsoft Windows Server 2016 10.0.14393.0 – < 10.0.14393.4530 10.0.14393.4530
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – < 10.0.14393.4530 10.0.14393.4530
Microsoft Windows Server 2019 10.0.17763.0 – < 10.0.17763.2061 10.0.17763.2061
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – < 10.0.17763.2061 10.0.17763.2061
Microsoft Windows Server version 2004 10.0.0 – < 10.0.19041.1110 10.0.19041.1110
Microsoft Windows Server version 20H2 10.0.0 – < 10.0.19042.1110 10.0.19042.1110

Advisories 1

References