# CVE-2025-47999

## Summary

- **CVE ID:** CVE-2025-47999
- **Severity:** MEDIUM
- **CVSS Score:** 6.8 (CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)
- **CWE:** CWE-820
- **Published:** Jul 8, 2025
- **Last Modified:** Mar 13, 2026

## Description

Missing synchronization in Windows Hyper-V allows an authorized attacker to deny service over an adjacent network.

## Affected Products

- Microsoft — Windows 10 Version 1607 (10.0.14393.0)
- Microsoft — Windows 10 Version 1809 (10.0.17763.0)
- Microsoft — Windows 10 Version 21H2 (10.0.19044.0)
- Microsoft — Windows 10 Version 22H2 (10.0.19045.0)
- Microsoft — Windows 11 version 22H2 (10.0.22621.0)
- Microsoft — Windows 11 version 22H3 (10.0.22631.0)
- Microsoft — Windows 11 Version 23H2 (10.0.22631.0)
- Microsoft — Windows 11 Version 24H2 (10.0.26100.0)
- Microsoft — Windows Server 2016 (10.0.14393.0)
- Microsoft — Windows Server 2016 (Server Core installation) (10.0.14393.0)
- Microsoft — Windows Server 2019 (10.0.17763.0)
- Microsoft — Windows Server 2019 (Server Core installation) (10.0.17763.0)
- Microsoft — Windows Server 2022 (10.0.20348.0)
- Microsoft — Windows Server 2022, 23H2 Edition (Server Core installation) (10.0.25398.0)
- Microsoft — Windows Server 2025 (10.0.26100.0)
- Microsoft — Windows Server 2025 (Server Core installation) (10.0.26100.0)

## References

- [CNA](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47999)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.39%
- **EPSS Percentile:** 32.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._