Disclosure summary
Use of a broken or risky cryptographic algorithm in Windows Kerberos allows an authorized attacker to disclose information locally.
Source-reported weakness categories
CWE-327
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
Microsoft Security Updates (CVRF) · 2026-Jan
Open original source · Updated Jan 13, 2026
Windows Kerberos Information Disclosure Vulnerability
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 5.5
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | Windows Server 2019 | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2019 (Server Core installation) | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2022 | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2022 (Server Core installation) | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2025 (Server Core installation) | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2022, 23H2 Edition (Server Core installation) | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2025 | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2016 | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2016 (Server Core installation) | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2008 for 32-bit Systems Service Pack 2 | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2008 for x64-based Systems Service Pack 2 | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2008 R2 for x64-based Systems Service Pack 1 | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2012 | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2012 (Server Core installation) | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2012 R2 | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2012 R2 (Server Core installation) | (MSRC status code 3) |
Vendor remediation references
- 5073723 · build 10.0.17763.8276 · product IDs 11571, 11572
- Vendor guidance · product IDs 11571, 11572
- 5073723 · product IDs 11571, 11572
- 5073457 · build 10.0.20348.4648 · product IDs 11923, 11924
- Vendor guidance · product IDs 11923, 11924
- 5073457 · product IDs 11923, 11924
- 5073379 · build 10.0.26100.32230 · product IDs 12437, 12436
- Vendor guidance · product IDs 12437, 12436
- 5073379 · product IDs 12437, 12436
- 5073450 · build 10.0.25398.2092 · product IDs 12244
- Vendor guidance · product IDs 12244
- 5073450 · product IDs 12244
- 5073722 · build 10.0.14393.8783 · product IDs 10816, 10855
- Vendor guidance · product IDs 10816, 10855
- 5073697 · build 6.0.6003.23717 · product IDs 9312, 10287, 9318, 9344
- Vendor guidance · product IDs 9312, 10287, 9318, 9344
- 5073700 · build 6.0.6003.23717 · product IDs 9312, 10287, 9318, 9344
- Vendor guidance · product IDs 9312, 10287, 9318, 9344
- 5073695 · build 6.1.7601.28117 · product IDs 10051, 10049
- Vendor guidance · product IDs 10051, 10049
- 5073699 · build 6.1.7601.28117 · product IDs 10051, 10049
- Vendor guidance · product IDs 10051, 10049
- 5073698 · build 6.2.9200.25868 · product IDs 10378, 10379
- Vendor guidance · product IDs 10378, 10379
- 5073696 · build 6.3.9600.22968 · product IDs 10483, 10543
- Vendor guidance · product IDs 10483, 10543
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2026-01-13T03:00:00-05:00
MODIFIED 2026-01-13T03:00:00-05:00
INGESTED 2026-10-08T12:45:22-04:00