Disclosure summary
Use after free in Windows KDC Proxy Service (KPSSVC) allows an unauthorized attacker to execute code over a network.
Source-reported weakness categories
CWE-416
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) · 2025-Jun
Open original source · Updated Jun 09, 2025
Windows KDC Proxy Service (KPSSVC) Remote Code Execution Vulnerability
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 8.1
| 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 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
- 5060531 · build 10.0.17763.7434 · product IDs 11571, 11572
- Vendor guidance · product IDs 11571, 11572
- 5060526 · build 10.0.20348.3807 · product IDs 11923, 11924
- Vendor guidance · product IDs 11923, 11924
- 5060525 · build 10.0.20348.3745 · product IDs 11923, 11924
- Vendor guidance · product IDs 11923, 11924
- 5060842 · build 10.0.26100.4349 · product IDs 12437, 12436
- Vendor guidance · product IDs 12437, 12436
- 5060842 · product IDs 12437, 12436
- 5060841 · build 10.0.26100.4270 · product IDs 12437, 12436
- Vendor guidance · product IDs 12437, 12436
- 5060118 · build 10.0.25398.1665 · product IDs 12244
- Vendor guidance · product IDs 12244
- 5061010 · build 10.0.14393.8148 · product IDs 10816, 10855
- Vendor guidance · product IDs 10816, 10855
- 5061059 · build 6.2.9200.25522 · product IDs 10378, 10379
- Vendor guidance · product IDs 10378, 10379
- 5061018 · build 6.3.9600.22620 · 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 2025-06-09T20:00:00-04:00
MODIFIED 2025-06-09T20:00:00-04:00
INGESTED 2026-10-08T12:50:05-04:00