# KB5021255: December 2022 cumulative update for Windows 11 22H2

KB5021255, released December 13, 2022, fixes 25 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb5021255
- Platform: Microsoft
- Released: Dec 13, 2022
- Priority: Urgent (Closes CVE-2022-41076, exploitation more likely)
- CVEs: 25, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/5021255

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Windows 11 Version 22H2 for ARM64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-11-version-22h2-for-arm64-based-systems.md) |  | 22621.963 |
| [Windows 11 Version 22H2 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-11-version-22h2-for-x64-based-systems.md) |  | 22621.963 |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-41076](https://patchblox.com/security/data/cve/CVE-2022-41076.md) | Urgent | Windows PowerShell | 8.5 | 0.6078 | More likely |
| [CVE-2022-44683](https://patchblox.com/security/data/cve/CVE-2022-44683.md) | Urgent | Windows Kernel | 7.8 | 0.0820 | More likely |
| [CVE-2022-44675](https://patchblox.com/security/data/cve/CVE-2022-44675.md) | Urgent | Microsoft Bluetooth Driver | 7.8 | 0.0498 | More likely |
| [CVE-2022-44670](https://patchblox.com/security/data/cve/CVE-2022-44670.md) | Urgent | Windows Secure Socket Tunneling Protocol (SSTP) | 8.1 | 0.0122 |  |
| [CVE-2022-44676](https://patchblox.com/security/data/cve/CVE-2022-44676.md) | Urgent | Windows Secure Socket Tunneling Protocol (SSTP) | 8.1 | 0.0116 |  |
| [CVE-2022-41121](https://patchblox.com/security/data/cve/CVE-2022-41121.md) | Urgent | Microsoft Graphics Component | 7.8 | 0.0112 | More likely |
| [CVE-2022-44671](https://patchblox.com/security/data/cve/CVE-2022-44671.md) | Urgent | Microsoft Graphics Component | 7.8 | 0.0066 | More likely |
| [CVE-2022-44666](https://patchblox.com/security/data/cve/CVE-2022-44666.md) | High | Windows Contacts | 7.8 | 0.4137 |  |
| [CVE-2022-44667](https://patchblox.com/security/data/cve/CVE-2022-44667.md) | High | Microsoft Windows Codecs Library | 7.8 | 0.0081 |  |
| [CVE-2022-44668](https://patchblox.com/security/data/cve/CVE-2022-44668.md) | High | Microsoft Windows Codecs Library | 7.8 | 0.0081 |  |
| [CVE-2022-44678](https://patchblox.com/security/data/cve/CVE-2022-44678.md) | High | Windows HTTP Print Provider | 7.8 | 0.0056 |  |
| [CVE-2022-44710](https://patchblox.com/security/data/cve/CVE-2022-44710.md) | High | Windows DirectX | 7.8 | 0.0056 | Disclosed |
| [CVE-2022-44681](https://patchblox.com/security/data/cve/CVE-2022-44681.md) | High | Windows Print Spooler Components | 7.8 | 0.0055 |  |
| [CVE-2022-41077](https://patchblox.com/security/data/cve/CVE-2022-41077.md) | High | Windows Fax Compose Form | 7.8 | 0.0055 |  |
| [CVE-2022-44697](https://patchblox.com/security/data/cve/CVE-2022-44697.md) | High | Microsoft Graphics Component | 7.8 | 0.0055 |  |
| [CVE-2022-41094](https://patchblox.com/security/data/cve/CVE-2022-41094.md) | High | Role: Windows Hyper-V | 7.8 | 0.0053 |  |
| [CVE-2022-44677](https://patchblox.com/security/data/cve/CVE-2022-44677.md) | High | Windows Projected File System | 7.8 | 0.0052 |  |
| [CVE-2022-44680](https://patchblox.com/security/data/cve/CVE-2022-44680.md) | High | Microsoft Graphics Component | 7.8 | 0.0052 |  |
| [CVE-2022-44689](https://patchblox.com/security/data/cve/CVE-2022-44689.md) | High | Windows Subsystem for Linux | 7.8 | 0.0050 |  |
| [CVE-2022-44669](https://patchblox.com/security/data/cve/CVE-2022-44669.md) | High | Windows Error Reporting | 7.0 | 0.0032 |  |
| [CVE-2022-44707](https://patchblox.com/security/data/cve/CVE-2022-44707.md) | Routine | Windows Kernel | 6.5 | 0.0271 |  |
| [CVE-2022-44682](https://patchblox.com/security/data/cve/CVE-2022-44682.md) | Routine | Role: Windows Hyper-V | 6.8 | 0.0075 |  |
| [CVE-2022-44679](https://patchblox.com/security/data/cve/CVE-2022-44679.md) | Routine | Microsoft Graphics Component | 6.5 | 0.0056 |  |
| [CVE-2022-41074](https://patchblox.com/security/data/cve/CVE-2022-41074.md) | Routine | Microsoft Graphics Component | 5.5 | 0.0056 |  |
| [CVE-2022-44674](https://patchblox.com/security/data/cve/CVE-2022-44674.md) | Routine | Microsoft Bluetooth Driver | 5.5 | 0.0056 |  |

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Data as of 2026-11-07T06:34:28Z 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