# KB5011503: March 2022 cumulative update for Windows 10 1809 KB5011503, released March 8, 2022, fixes 30 CVEs across 10 products. None of them is reported as exploited. Patch Radar priority: Urgent. - Web page: https://patchblox.com/security/fix/microsoft/kb5011503 - Platform: Microsoft - Released: Mar 8, 2022 - Priority: Urgent (Closes CVE-2022-23253, exploitation more likely) - CVEs: 30, exploited: 0, on CISA KEV: 0 - Vendor advisory: https://support.microsoft.com/help/5011503 ## Applies to | Product | Release | Fixed in | |---|---|---| | [Microsoft Defender for Endpoint for Windows on Windows 10 Version 1809 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/microsoft-defender-for-endpoint-for-windows-on-windows-10-version-1809-for-32-bit-systems.md) | | 17763.2686 | | [Microsoft Defender for Endpoint for Windows on Windows 10 Version 1809 for ARM64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-defender-for-endpoint-for-windows-on-windows-10-version-1809-for-arm64-based-systems.md) | | 17763.2686 | | [Microsoft Defender for Endpoint for Windows on Windows 10 Version 1809 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-defender-for-endpoint-for-windows-on-windows-10-version-1809-for-x64-based-systems.md) | | 17763.2686 | | [Microsoft Defender for Endpoint for Windows on Windows Server 2019](https://patchblox.com/security/data/product/microsoft/microsoft-defender-for-endpoint-for-windows-on-windows-server-2019.md) | | 17763.2686 | | [Microsoft Defender for Endpoint for Windows on Windows Server 2019 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/microsoft-defender-for-endpoint-for-windows-on-windows-server-2019-server-core-installation.md) | | 17763.2686 | | [Windows 10 Version 1809 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1809-for-32-bit-systems.md) | | 17763.2686 | | [Windows 10 Version 1809 for ARM64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1809-for-arm64-based-systems.md) | | 17763.2686 | | [Windows 10 Version 1809 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1809-for-x64-based-systems.md) | | 17763.2686 | | [Windows Server 2019](https://patchblox.com/security/data/product/microsoft/windows-server-2019.md) | | 17763.2686 | | [Windows Server 2019 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2019-server-core-installation.md) | | 17763.2686 | ## CVEs this fix closes | CVE | Priority | Component | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2022-23253](https://patchblox.com/security/data/cve/CVE-2022-23253.md) | Urgent | Windows Point-to-Point Tunneling Protocol | 6.5 | 0.5638 | More likely | | [CVE-2022-24502](https://patchblox.com/security/data/cve/CVE-2022-24502.md) | Urgent | Windows HTML Platform | 4.3 | 0.3306 | More likely | | [CVE-2022-23285](https://patchblox.com/security/data/cve/CVE-2022-23285.md) | Urgent | Windows Remote Desktop | 8.8 | 0.2563 | More likely | | [CVE-2022-21990](https://patchblox.com/security/data/cve/CVE-2022-21990.md) | Urgent | Windows Remote Desktop | 8.8 | 0.1884 | Disclosed | | [CVE-2022-23299](https://patchblox.com/security/data/cve/CVE-2022-23299.md) | Urgent | Windows PDEV | 7.8 | 0.0762 | More likely | | [CVE-2022-23286](https://patchblox.com/security/data/cve/CVE-2022-23286.md) | Urgent | Windows Cloud Files Mini Filter Driver | 7.0 | 0.0430 | More likely | | [CVE-2022-24507](https://patchblox.com/security/data/cve/CVE-2022-24507.md) | Urgent | Windows Ancillary Function Driver for WinSock | 7.8 | 0.0387 | More likely | | [CVE-2022-23294](https://patchblox.com/security/data/cve/CVE-2022-23294.md) | Urgent | Windows Event Tracing | 8.8 | 0.0230 | More likely | | [CVE-2022-23284](https://patchblox.com/security/data/cve/CVE-2022-23284.md) | High | Windows Print Spooler Components | 7.2 | 0.0317 | | | [CVE-2022-24460](https://patchblox.com/security/data/cve/CVE-2022-24460.md) | High | Tablet Windows User Interface | 7.0 | 0.0201 | | | [CVE-2022-24455](https://patchblox.com/security/data/cve/CVE-2022-24455.md) | High | Windows CD-ROM Driver | 7.8 | 0.0093 | | | [CVE-2022-21967](https://patchblox.com/security/data/cve/CVE-2022-21967.md) | High | XBox | 7.0 | 0.0068 | | | [CVE-2022-23293](https://patchblox.com/security/data/cve/CVE-2022-23293.md) | High | Windows Fast FAT Driver | 7.8 | 0.0067 | | | [CVE-2022-23296](https://patchblox.com/security/data/cve/CVE-2022-23296.md) | High | Windows Installer | 7.8 | 0.0067 | | | [CVE-2022-23291](https://patchblox.com/security/data/cve/CVE-2022-23291.md) | High | Windows DWM Core Library | 7.8 | 0.0064 | | | [CVE-2022-24459](https://patchblox.com/security/data/cve/CVE-2022-24459.md) | High | Windows Fax and Scan Service | 7.8 | 0.0064 | Disclosed | | [CVE-2022-23290](https://patchblox.com/security/data/cve/CVE-2022-23290.md) | High | Windows COM | 7.8 | 0.0063 | | | [CVE-2022-24454](https://patchblox.com/security/data/cve/CVE-2022-24454.md) | High | Windows Security Support Provider Interface | 7.8 | 0.0063 | | | [CVE-2022-23287](https://patchblox.com/security/data/cve/CVE-2022-23287.md) | High | Windows ALPC | 7.0 | 0.0058 | | | [CVE-2022-23288](https://patchblox.com/security/data/cve/CVE-2022-23288.md) | High | Windows DWM Core Library | 7.0 | 0.0058 | | | [CVE-2022-23298](https://patchblox.com/security/data/cve/CVE-2022-23298.md) | High | Windows Kernel | 7.0 | 0.0058 | | | [CVE-2022-23283](https://patchblox.com/security/data/cve/CVE-2022-23283.md) | High | Windows ALPC | 7.0 | 0.0039 | | | [CVE-2022-24505](https://patchblox.com/security/data/cve/CVE-2022-24505.md) | High | Windows ALPC | 7.0 | 0.0036 | | | [CVE-2022-22010](https://patchblox.com/security/data/cve/CVE-2022-22010.md) | Routine | Microsoft Windows Codecs Library | 4.4 | 0.0263 | | | [CVE-2022-21977](https://patchblox.com/security/data/cve/CVE-2022-21977.md) | Routine | Microsoft Windows Codecs Library | 3.3 | 0.0253 | | | [CVE-2022-24503](https://patchblox.com/security/data/cve/CVE-2022-24503.md) | Routine | Windows Remote Desktop | 5.4 | 0.0244 | | | [CVE-2022-23278](https://patchblox.com/security/data/cve/CVE-2022-23278.md) | Routine | Microsoft Defender for Endpoint | 5.9 | 0.0191 | | | [CVE-2022-23281](https://patchblox.com/security/data/cve/CVE-2022-23281.md) | Routine | Windows Common Log File System Driver | 5.5 | 0.0113 | | | [CVE-2022-23297](https://patchblox.com/security/data/cve/CVE-2022-23297.md) | Routine | Windows Kernel | 5.5 | 0.0079 | | | [CVE-2022-21975](https://patchblox.com/security/data/cve/CVE-2022-21975.md) | Routine | Role: Windows Hyper-V | 4.7 | 0.0047 | | --- Data as of 2026-11-07T12:40:37Z 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 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.