# KB5043055: September 2024 cumulative update for Windows Server 23H2 KB5043055, released September 10, 2024, fixes 38 CVEs in Windows Server 2022, 23H2 Edition (Server Core installation) (build 25398.1128). 3 of them are being exploited (CVE-2024-43461); 3 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported. - Web page: https://patchblox.com/security/fix/microsoft/kb5043055 - Platform: Microsoft - Released: Sep 10, 2024 - Priority: Patch now (Closes CVE-2024-43461, exploited (CISA KEV)) - CVEs: 38, exploited: 3, on CISA KEV: 3 - Vendor advisory: https://support.microsoft.com/help/5043055 ## Applies to | Product | Release | Fixed in | |---|---|---| | [Windows Server 2022, 23H2 Edition (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2022-23h2-edition-server-core-installation.md) | | 25398.1128 | ## CVEs this fix closes | CVE | Priority | Component | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2024-43461](https://patchblox.com/security/data/cve/CVE-2024-43461.md) | Patch now | Windows MSHTML Platform | 8.8 | 0.5449 | CISA KEV, Disclosed | | [CVE-2024-38217](https://patchblox.com/security/data/cve/CVE-2024-38217.md) | Patch now | Windows Mark of the Web (MOTW) | 5.4 | 0.1003 | CISA KEV, Disclosed | | [CVE-2024-38014](https://patchblox.com/security/data/cve/CVE-2024-38014.md) | Patch now | Windows Installer | 7.8 | 0.0626 | CISA KEV | | [CVE-2024-38244](https://patchblox.com/security/data/cve/CVE-2024-38244.md) | Urgent | Microsoft Streaming Service | 7.8 | 0.0619 | More likely | | [CVE-2024-38241](https://patchblox.com/security/data/cve/CVE-2024-38241.md) | Urgent | Microsoft Streaming Service | 7.8 | 0.0602 | More likely | | [CVE-2024-38237](https://patchblox.com/security/data/cve/CVE-2024-38237.md) | Urgent | Microsoft Streaming Service | 7.8 | 0.0341 | More likely | | [CVE-2024-38242](https://patchblox.com/security/data/cve/CVE-2024-38242.md) | Urgent | Microsoft Streaming Service | 7.8 | 0.0335 | More likely | | [CVE-2024-38249](https://patchblox.com/security/data/cve/CVE-2024-38249.md) | Urgent | Microsoft Graphics Component | 7.8 | 0.0095 | More likely | | [CVE-2024-38245](https://patchblox.com/security/data/cve/CVE-2024-38245.md) | Urgent | Microsoft Streaming Service | 7.8 | 0.0087 | More likely | | [CVE-2024-38238](https://patchblox.com/security/data/cve/CVE-2024-38238.md) | Urgent | Microsoft Streaming Service | 7.8 | 0.0077 | More likely | | [CVE-2024-38243](https://patchblox.com/security/data/cve/CVE-2024-38243.md) | Urgent | Microsoft Streaming Service | 7.8 | 0.0076 | More likely | | [CVE-2024-38119](https://patchblox.com/security/data/cve/CVE-2024-38119.md) | Urgent | Windows Network Address Translation (NAT) | 7.5 | 0.0076 | | | [CVE-2024-38247](https://patchblox.com/security/data/cve/CVE-2024-38247.md) | Urgent | Microsoft Graphics Component | 7.8 | 0.0070 | More likely | | [CVE-2024-38252](https://patchblox.com/security/data/cve/CVE-2024-38252.md) | Urgent | Windows Win32K - ICOMP | 7.8 | 0.0060 | More likely | | [CVE-2024-38253](https://patchblox.com/security/data/cve/CVE-2024-38253.md) | Urgent | Windows Win32K - ICOMP | 7.8 | 0.0060 | More likely | | [CVE-2024-38246](https://patchblox.com/security/data/cve/CVE-2024-38246.md) | Urgent | Windows Win32K - GRFX | 7.0 | 0.0057 | More likely | | [CVE-2024-43454](https://patchblox.com/security/data/cve/CVE-2024-43454.md) | High | Windows Remote Desktop Licensing Service | 7.1 | 0.2188 | | | [CVE-2024-38257](https://patchblox.com/security/data/cve/CVE-2024-38257.md) | High | Windows AllJoyn API | 7.5 | 0.0447 | | | [CVE-2024-38236](https://patchblox.com/security/data/cve/CVE-2024-38236.md) | High | Windows DHCP Server | 7.5 | 0.0230 | | | [CVE-2024-38259](https://patchblox.com/security/data/cve/CVE-2024-38259.md) | High | Microsoft Management Console | 8.8 | 0.0189 | | | [CVE-2024-38239](https://patchblox.com/security/data/cve/CVE-2024-38239.md) | High | Windows Kerberos | 7.2 | 0.0175 | | | [CVE-2024-43455](https://patchblox.com/security/data/cve/CVE-2024-43455.md) | High | Windows Remote Desktop Licensing Service | 8.8 | 0.0166 | | | [CVE-2024-38138](https://patchblox.com/security/data/cve/CVE-2024-38138.md) | High | Windows Deployment Services | 7.5 | 0.0166 | | | [CVE-2024-38260](https://patchblox.com/security/data/cve/CVE-2024-38260.md) | High | Windows Remote Desktop Licensing Service | 8.8 | 0.0162 | | | [CVE-2024-38240](https://patchblox.com/security/data/cve/CVE-2024-38240.md) | High | Windows Remote Access Connection Manager | 8.1 | 0.0149 | | | [CVE-2024-38045](https://patchblox.com/security/data/cve/CVE-2024-38045.md) | High | Windows TCP/IP | 8.1 | 0.0143 | | | [CVE-2024-21416](https://patchblox.com/security/data/cve/CVE-2024-21416.md) | High | Windows TCP/IP | 8.1 | 0.0138 | | | [CVE-2024-38263](https://patchblox.com/security/data/cve/CVE-2024-38263.md) | High | Windows Remote Desktop Licensing Service | 7.5 | 0.0116 | | | [CVE-2024-43467](https://patchblox.com/security/data/cve/CVE-2024-43467.md) | High | Windows Remote Desktop Licensing Service | 7.5 | 0.0112 | | | [CVE-2024-30073](https://patchblox.com/security/data/cve/CVE-2024-30073.md) | High | Windows Security Zone Mapping | 7.8 | 0.0090 | | | [CVE-2024-38046](https://patchblox.com/security/data/cve/CVE-2024-38046.md) | High | Windows PowerShell | 7.8 | 0.0070 | | | [CVE-2024-38250](https://patchblox.com/security/data/cve/CVE-2024-38250.md) | High | Microsoft Graphics Component | 7.8 | 0.0069 | | | [CVE-2024-38248](https://patchblox.com/security/data/cve/CVE-2024-38248.md) | High | Windows Storage | 7.0 | 0.0057 | | | [CVE-2024-38258](https://patchblox.com/security/data/cve/CVE-2024-38258.md) | Routine | Windows Remote Desktop Licensing Service | 6.5 | 0.0469 | | | [CVE-2024-38231](https://patchblox.com/security/data/cve/CVE-2024-38231.md) | Routine | Windows Remote Desktop Licensing Service | 6.5 | 0.0187 | | | [CVE-2024-38234](https://patchblox.com/security/data/cve/CVE-2024-38234.md) | Routine | Windows Network Virtualization | 6.5 | 0.0093 | | | [CVE-2024-38254](https://patchblox.com/security/data/cve/CVE-2024-38254.md) | Routine | Windows Authentication Methods | 5.5 | 0.0072 | | | [CVE-2024-38235](https://patchblox.com/security/data/cve/CVE-2024-38235.md) | Routine | Role: Windows Hyper-V | 6.5 | 0.0072 | | --- 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.