6.8
Medium
CVE-2025-49751 Missing synchronization in Windows Hyper-V allows an authorized attacker to deny service over an adjacent network
Description
Missing synchronization in Windows Hyper-V allows an authorized attacker to deny service over an adjacent network.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 Version 1809 10.0 | 10.0.17763.0 → < 10.0.17763.7678 | 10.0.17763.7678 |
| Windows Server 2019 10.0 | 10.0.17763.0 → < 10.0.17763.7678 | 10.0.17763.7678 |
| Windows Server 2019 (Server Core installation) 10.0 | 10.0.17763.0 → < 10.0.17763.7678 | 10.0.17763.7678 |
| Windows Server 2022 10.0 | 10.0.20348.0 → < 10.0.20348.4052 | 10.0.20348.4052 |
| Windows 10 Version 21H2 10.0 | 10.0.19044.0 → < 10.0.19044.6216 | 10.0.19044.6216 |
| Windows 11 version 22H2 10.0 | 10.0.22621.0 → < 10.0.22621.5768 | 10.0.22621.5768 |
| Windows 10 Version 22H2 10.0 | 10.0.19045.0 → < 10.0.19045.6216 | 10.0.19045.6216 |
| Windows Server 2025 (Server Core installation) 10.0 | 10.0.26100.0 → < 10.0.26100.4946 | 10.0.26100.4946 |
| Windows 11 version 22H3 10.0 | 10.0.22631.0 → < 10.0.22631.5768 | 10.0.22631.5768 |
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| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 11 Version 23H2 10.0 | 10.0.22631.0 → < 10.0.22631.5768 | 10.0.22631.5768 |
| Windows Server 2022, 23H2 Edition (Server Core installation) 10.0 | 10.0.25398.0 → < 10.0.25398.1791 | 10.0.25398.1791 |
| Windows 11 Version 24H2 10.0 | 10.0.26100.0 → < 10.0.26100.4946 | 10.0.26100.4946 |
| Windows Server 2025 10.0 | 10.0.26100.0 → < 10.0.26100.4946 | 10.0.26100.4946 |
| Windows 10 Version 1607 10.0 | 10.0.14393.0 → < 10.0.14393.8330 | 10.0.14393.8330 |
| Windows Server 2016 10.0 | 10.0.14393.0 → < 10.0.14393.8330 | 10.0.14393.8330 |
| Windows Server 2016 (Server Core installation) 10.0 | 10.0.14393.0 → < 10.0.14393.8330 | 10.0.14393.8330 |
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