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6.5 Medium

CVE-2020-16996 Kerberos Security Feature Bypass Vulnerability

Description

Kerberos Security Feature Bypass Vulnerability

Affected products and versions

Product	Affected versions	Fixed in
Windows Server 2019 10.0	10.0.17763.0 → < 10.0.17763.1817	10.0.17763.1817
Windows Server 2019 (Server Core installation) 10.0	10.0.17763.0 → < 10.0.17763.1817	10.0.17763.1817
Windows Server, version 1909 (Server Core installation) 10.0	10.0.0 → < 10.0.18363.1440	10.0.18363.1440
Windows Server, version 1903 (Server Core installation) 10.0	10.0.0 → latest	No fix stated
Windows Server version 2004 10.0	10.0.0 → < 10.0.19043.867	10.0.19043.867
Windows Server 2016 10.0	10.0.14393.0 → < 10.0.14393.4283	10.0.14393.4283
Windows Server 2016 (Server Core installation) 10.0	10.0.14393.0 → < 10.0.14393.4283	10.0.14393.4283
Windows Server 2012 6.2	6.2.9200.0 → < 6.2.9200.23298	6.2.9200.23298
Windows Server 2012 (Server Core installation) 6.2	6.2.9200.0 → < 6.2.9200.23298	6.2.9200.23298

Show the 3 other branches

Product	Affected versions	Fixed in
Windows Server 2012 R2 6.3	6.3.9600.0 → < 6.3.9600.19968	6.3.9600.19968
Windows Server 2012 R2 (Server Core installation) 6.3	6.3.9600.0 → < 6.3.9600.19968	6.3.9600.19968
Windows Server version 20H2 10.0	10.0.0 → < 10.0.19043.867	10.0.19043.867

References

Kerberos Security Feature Bypass Vulnerability msrc.microsoft.com

Timeline

Published December 9, 2020
Last modified June 9, 2026

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