# CVE-2024-20659

## Summary

- **CVE ID:** CVE-2024-20659
- **Severity:** HIGH
- **CVSS Score:** 7.1 (CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C)
- **CWE:** CWE-20
- **Published:** Oct 8, 2024
- **Last Modified:** Aug 19, 2026

## Description

Windows Hyper-V Security Feature Bypass Vulnerability

## Affected Products

- Microsoft — Windows 10 Version 1809 (10.0.17763.0)
- 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 11 version 21H2 (10.0.22000.0)
- Microsoft — Windows 10 Version 21H2 (10.0.19043.0)
- Microsoft — Windows 11 version 22H2 (10.0.22621.0)
- Microsoft — Windows 10 Version 22H2 (10.0.19045.0)
- Microsoft — Windows 11 version 22H3 (10.0.22631.0)
- Microsoft — Windows 11 Version 23H2 (10.0.22631.0)
- Microsoft — Windows Server 2022, 23H2 Edition (Server Core installation) (10.0.25398.0)
- Microsoft — Windows 11 Version 24H2 (10.0.26100.0)

## References

- [CNA](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-20659)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.95%
- **EPSS Percentile:** 59.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._