# KB5021294: December 2022 security update

KB5021294, released December 13, 2022, fixes 20 CVEs across 5 products. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/microsoft/kb5021294
- Platform: Microsoft
- Released: Dec 13, 2022
- Priority: Urgent (Closes CVE-2022-41076, exploitation more likely)
- CVEs: 20, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/5021294

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Windows 8.1 for 32-bit systems](https://patchblox.com/security/data/product/microsoft/windows-8.1-for-32-bit-systems.md) |  |  |
| [Windows 8.1 for x64-based systems](https://patchblox.com/security/data/product/microsoft/windows-8.1-for-x64-based-systems.md) |  |  |
| [Windows RT 8.1](https://patchblox.com/security/data/product/microsoft/windows-rt-8.1.md) |  |  |
| [Windows Server 2012 R2](https://patchblox.com/security/data/product/microsoft/windows-server-2012-r2.md) |  |  |
| [Windows Server 2012 R2 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2012-r2-server-core-installation.md) |  |  |

## 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-2022-44673](https://patchblox.com/security/data/cve/CVE-2022-44673.md) | Urgent | Client Server Run-time Subsystem (CSRSS) | 7.0 | 0.0525 | 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-2022-44666](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-2022-44681](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-2022-44680](https://patchblox.com/security/data/cve/CVE-2022-44680.md) | High | Microsoft Graphics Component | 7.8 | 0.0052 |  |
| [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 |  |

---

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

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.