CVE-2026-20833
Published: Jan 13, 2026
Modified: Apr 1, 2026
CVSS v3.1
5.5
Description
Use of a broken or risky cryptographic algorithm in Windows Kerberos allows an authorized attacker to disclose information locally.
| Vendor | Product | Versions |
|---|---|---|
Microsoft | Windows Server 2008 R2 Service Pack 1 | affected 6.1.7601.0 - < 6.1.7601.28117 |
Microsoft | Windows Server 2008 R2 Service Pack 1 (Server Core installation) | affected 6.1.7601.0 - < 6.1.7601.28117 |
Microsoft | Windows Server 2008 Service Pack 2 | affected 6.0.6003.0 - < 6.0.6003.23717 |
Microsoft | Windows Server 2008 Service Pack 2 (Server Core installation) | affected 6.0.6003.0 - < 6.0.6003.23717 |
Microsoft | Windows Server 2012 | affected 6.2.9200.0 - < 6.2.9200.25868 |
Microsoft | Windows Server 2012 (Server Core installation) | affected 6.2.9200.0 - < 6.2.9200.25868 |
Microsoft | Windows Server 2012 R2 | affected 6.3.9600.0 - < 6.3.9600.22968 |
Microsoft | Windows Server 2012 R2 (Server Core installation) | affected 6.3.9600.0 - < 6.3.9600.22968 |
Microsoft | Windows Server 2016 | affected 10.0.14393.0 - < 10.0.14393.8783 |
Microsoft | Windows Server 2016 (Server Core installation) | affected 10.0.14393.0 - < 10.0.14393.8783 |
Microsoft | Windows Server 2019 | affected 10.0.17763.0 - < 10.0.17763.8276 |
Microsoft | Windows Server 2019 (Server Core installation) | affected 10.0.17763.0 - < 10.0.17763.8276 |
Microsoft | Windows Server 2022 | affected 10.0.20348.0 - < 10.0.20348.4648 |
Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | affected 10.0.25398.0 - < 10.0.25398.2092 |
Microsoft | Windows Server 2025 | affected 10.0.26100.0 - < 10.0.26100.32230 |
Microsoft | Windows Server 2025 (Server Core installation) | affected 10.0.26100.0 - < 10.0.26100.32230 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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