CVE-2025-62567
Windows Hyper-V Denial of Service Vulnerability
CVE-2025-62567 is fixed in 21 products on 1 platform, first by KB5071543, released December 9, 2025. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
5.3
Important
Exploitation
None reported
Exploitation Unlikely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0103
63rd percentile
<p>Integer underflow (wrap or wraparound) in Windows Hyper-V allows an authorized attacker to deny service over a network.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for x64-based Systems | 14393.8688 | KB5071543 | Dec 9, 2025 |
| Windows 10 Version 1809 for x64-based Systems | 17763.8146 | KB5071544 | Dec 9, 2025 |
| Windows 10 Version 21H2 for x64-based Systems | KB5071546 | Dec 9, 2025 | |
| Windows 10 Version 22H2 for x64-based Systems | KB5071546 | Dec 9, 2025 | |
| Windows 11 Version 23H2 for ARM64-based Systems | 22631.6345 | KB5071417 | Dec 9, 2025 |
| Windows 11 Version 23H2 for x64-based Systems | 22631.6345 | KB5071417 | Dec 9, 2025 |
| Windows 11 Version 24H2 for ARM64-based Systems | KB5072033 | Dec 9, 2025 | |
| Windows 11 Version 24H2 for ARM64-based Systems | KB5072014 | Dec 9, 2025 | |
| Windows 11 Version 24H2 for x64-based Systems | KB5072033 | Dec 9, 2025 | |
| Windows 11 Version 24H2 for x64-based Systems | KB5072014 | Dec 9, 2025 | |
| Windows 11 Version 25H2 for ARM64-based Systems | KB5072033 | Dec 9, 2025 | |
| Windows 11 Version 25H2 for ARM64-based Systems | KB5072014 | Dec 9, 2025 | |
| Windows 11 Version 25H2 for x64-based Systems | KB5072033 | Dec 9, 2025 | |
| Windows 11 Version 25H2 for x64-based Systems | KB5072014 | Dec 9, 2025 | |
| Windows Server 2012 R2 | KB5071503 | Dec 9, 2025 | |
| Windows Server 2012 R2 (Server Core installation) | KB5071503 | Dec 9, 2025 | |
| Windows Server 2016 | 14393.8688 | KB5071543 | Dec 9, 2025 |
| Windows Server 2016 (Server Core installation) | 14393.8688 | KB5071543 | Dec 9, 2025 |
| Windows Server 2019 | 17763.8146 | KB5071544 | Dec 9, 2025 |
| Windows Server 2019 (Server Core installation) | 17763.8146 | KB5071544 | Dec 9, 2025 |
| Windows Server 2022 | 20348.4529 | KB5071547 | Dec 9, 2025 |
| Windows Server 2022 | 20348.4467 | KB5071413 | Dec 9, 2025 |
| Windows Server 2022 (Server Core installation) | 20348.4529 | KB5071547 | Dec 9, 2025 |
| Windows Server 2022 (Server Core installation) | 20348.4467 | KB5071413 | Dec 9, 2025 |
| Windows Server 2022, 23H2 Edition (Server Core installation) | 25398.2025 | KB5071542 | Dec 9, 2025 |
| Windows Server 2025 | KB5072033 | Dec 9, 2025 | |
| Windows Server 2025 | KB5072014 | Dec 9, 2025 | |
| Windows Server 2025 (Server Core installation) | KB5072033 | Dec 9, 2025 | |
| Windows Server 2025 (Server Core installation) | KB5072014 | Dec 9, 2025 | |
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