CVE-2025-49735
High
Description
Use after free in Windows KDC Proxy Service (KPSSVC) allows an unauthorized attacker to execute code over a network.
SeverityHigh
CVSS8.1
Exploit probability—
Product
Microsoft Windows Server
PublishedJul 8, 2025
First seenJul 8, 2025
Weakness typeCWE-416Use after free
How to fix
Update
- microsoft windows_server_201610.0.14393.8148 or later
- microsoft windows_server_201910.0.17763.7434 or later
- microsoft windows_server_202210.0.20348.3807 or later
- microsoft windows_server_2022_23h210.0.25398.1665 or later
- microsoft windows_server_202510.0.26100.4349 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft windows_server_2012 | No range specified, r2 | — |
| microsoft windows_server_2016 | v < 10.0.14393.8148 | 10.0.14393.8148 |
| microsoft windows_server_2019 | v < 10.0.17763.7434 | 10.0.17763.7434 |
| microsoft windows_server_2022 | v < 10.0.20348.3807 | 10.0.20348.3807 |
| microsoft windows_server_2022_23h2 | v < 10.0.25398.1665 | 10.0.25398.1665 |
| microsoft windows_server_2025 | v < 10.0.26100.4349 | 10.0.26100.4349 |
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