# CVE-2024-21412: Internet Shortcut Files Security Feature Bypass Vulnerability

CVE-2024-21412 is fixed in 20 products on 1 platform, first by KB5034768, released February 13, 2024. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on February 13, 2024, with known ransomware use. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/cve/CVE-2024-21412
- Priority: Patch now
- CVSS: 8.1 (Important)
- EPSS: 0.9941
- CISA KEV: listed Feb 13, 2024, federal due date Mar 5, 2024, known ransomware use
- Exploited (vendor report): yes
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Detected
- Published: Feb 13, 2024
- Weakness: Protection Mechanism Failure
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21412

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1809 for 32-bit Systems | 17763.5458 | [KB5034768](https://patchblox.com/security/data/fix/microsoft/kb5034768.md) | Feb 13, 2024 |
| Microsoft | Windows 10 Version 1809 for ARM64-based Systems | 17763.5458 | [KB5034768](https://patchblox.com/security/data/fix/microsoft/kb5034768.md) | Feb 13, 2024 |
| Microsoft | Windows 10 Version 1809 for x64-based Systems | 17763.5458 | [KB5034768](https://patchblox.com/security/data/fix/microsoft/kb5034768.md) | Feb 13, 2024 |
| Microsoft | Windows 10 Version 21H2 for 32-bit Systems |  | [KB5034763](https://patchblox.com/security/data/fix/microsoft/kb5034763.md) | Feb 13, 2024 |
| Microsoft | Windows 10 Version 21H2 for ARM64-based Systems |  | [KB5034763](https://patchblox.com/security/data/fix/microsoft/kb5034763.md) | Feb 13, 2024 |
| Microsoft | Windows 10 Version 21H2 for x64-based Systems |  | [KB5034763](https://patchblox.com/security/data/fix/microsoft/kb5034763.md) | Feb 13, 2024 |
| Microsoft | Windows 10 Version 22H2 for 32-bit Systems |  | [KB5034763](https://patchblox.com/security/data/fix/microsoft/kb5034763.md) | Feb 13, 2024 |
| Microsoft | Windows 10 Version 22H2 for ARM64-based Systems |  | [KB5034763](https://patchblox.com/security/data/fix/microsoft/kb5034763.md) | Feb 13, 2024 |
| Microsoft | Windows 10 Version 22H2 for x64-based Systems |  | [KB5034763](https://patchblox.com/security/data/fix/microsoft/kb5034763.md) | Feb 13, 2024 |
| Microsoft | Windows 11 Version 22H2 for ARM64-based Systems |  | [KB5034765](https://patchblox.com/security/data/fix/microsoft/kb5034765.md) | Feb 13, 2024 |
| Microsoft | Windows 11 Version 22H2 for x64-based Systems |  | [KB5034765](https://patchblox.com/security/data/fix/microsoft/kb5034765.md) | Feb 13, 2024 |
| Microsoft | Windows 11 Version 23H2 for ARM64-based Systems |  | [KB5034765](https://patchblox.com/security/data/fix/microsoft/kb5034765.md) | Feb 13, 2024 |
| Microsoft | Windows 11 Version 23H2 for x64-based Systems |  | [KB5034765](https://patchblox.com/security/data/fix/microsoft/kb5034765.md) | Feb 13, 2024 |
| Microsoft | Windows 11 version 21H2 for ARM64-based Systems | 22000.2777 | [KB5034766](https://patchblox.com/security/data/fix/microsoft/kb5034766.md) | Feb 13, 2024 |
| Microsoft | Windows 11 version 21H2 for x64-based Systems | 22000.2777 | [KB5034766](https://patchblox.com/security/data/fix/microsoft/kb5034766.md) | Feb 13, 2024 |
| Microsoft | Windows Server 2019 | 17763.5458 | [KB5034768](https://patchblox.com/security/data/fix/microsoft/kb5034768.md) | Feb 13, 2024 |
| Microsoft | Windows Server 2019 (Server Core installation) | 17763.5458 | [KB5034768](https://patchblox.com/security/data/fix/microsoft/kb5034768.md) | Feb 13, 2024 |
| Microsoft | Windows Server 2022 | 20348.2322 | [KB5034770](https://patchblox.com/security/data/fix/microsoft/kb5034770.md) | Feb 13, 2024 |
| Microsoft | Windows Server 2022 (Server Core installation) | 20348.2322 | [KB5034770](https://patchblox.com/security/data/fix/microsoft/kb5034770.md) | Feb 13, 2024 |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 25398.709 | [KB5034769](https://patchblox.com/security/data/fix/microsoft/kb5034769.md) | Feb 13, 2024 |

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Data as of 2026-11-09T07:25:28Z 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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