# CVE-2024-43500: Windows Resilient File System (ReFS) Information Disclosure Vulnerability

CVE-2024-43500 is fixed in 7 products on 1 platform, first by KB5044285, released October 8, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2024-43500
- Priority: Routine
- CVSS: 5.5 (Important)
- EPSS: 0.0063
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Oct 8, 2024
- Weakness: Buffer Over-read
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43500

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 11 Version 22H2 for ARM64-based Systems |  | [KB5044285](https://patchblox.com/security/data/fix/microsoft/kb5044285.md) | Oct 8, 2024 |
| Microsoft | Windows 11 Version 22H2 for x64-based Systems |  | [KB5044285](https://patchblox.com/security/data/fix/microsoft/kb5044285.md) | Oct 8, 2024 |
| Microsoft | Windows 11 Version 23H2 for ARM64-based Systems |  | [KB5044285](https://patchblox.com/security/data/fix/microsoft/kb5044285.md) | Oct 8, 2024 |
| Microsoft | Windows 11 Version 23H2 for x64-based Systems |  | [KB5044285](https://patchblox.com/security/data/fix/microsoft/kb5044285.md) | Oct 8, 2024 |
| Microsoft | Windows 11 Version 24H2 for ARM64-based Systems | 26100.2033 | [KB5044284](https://patchblox.com/security/data/fix/microsoft/kb5044284.md) | Oct 8, 2024 |
| Microsoft | Windows 11 Version 24H2 for x64-based Systems | 26100.2033 | [KB5044284](https://patchblox.com/security/data/fix/microsoft/kb5044284.md) | Oct 8, 2024 |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 25398.1189 | [KB5044288](https://patchblox.com/security/data/fix/microsoft/kb5044288.md) | Oct 8, 2024 |

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Data as of 2026-11-07T18:46:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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