# KB5021237: December 2022 cumulative update for Windows 10 1809 KB5021237, released December 13, 2022, fixes 26 CVEs across 5 products. One of them is being exploited (CVE-2022-44698); 1 on CISA KEV. Patch Radar priority: Patch now. - Web page: https://patchblox.com/security/fix/microsoft/kb5021237 - Platform: Microsoft - Released: Dec 13, 2022 - Priority: Patch now (Closes CVE-2022-44698, exploited (CISA KEV, ransomware)) - CVEs: 26, exploited: 1, on CISA KEV: 1 - Vendor advisory: https://support.microsoft.com/help/5021237 ## Applies to | Product | Release | Fixed in | |---|---|---| | [Windows 10 Version 1809 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1809-for-32-bit-systems.md) | | 17763.3770 | | [Windows 10 Version 1809 for ARM64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1809-for-arm64-based-systems.md) | | 17763.3770 | | [Windows 10 Version 1809 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1809-for-x64-based-systems.md) | | 17763.3770 | | [Windows Server 2019](https://patchblox.com/security/data/product/microsoft/windows-server-2019.md) | | 17763.3770 | | [Windows Server 2019 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2019-server-core-installation.md) | | 17763.3770 | ## CVEs this fix closes | CVE | Priority | Component | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2022-44698](https://patchblox.com/security/data/cve/CVE-2022-44698.md) | Patch now | Windows SmartScreen | 5.4 | 0.7499 | CISA KEV, Ransomware | | [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-2022-44671](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-2022-44681](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 | | --- Data as of 2026-11-09T13:31:49Z UTC. 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