# KB5034769: February 2024 cumulative update for Windows Server 23H2 KB5034769, released February 13, 2024, fixes 43 CVEs in Windows Server 2022, 23H2 Edition (Server Core installation) (build 25398.709). 2 of them are being exploited (CVE-2024-21412); 2 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported. - Web page: https://patchblox.com/security/fix/microsoft/kb5034769 - Platform: Microsoft - Released: Feb 13, 2024 - Priority: Patch now (Closes CVE-2024-21412, exploited (CISA KEV, ransomware)) - CVEs: 43, exploited: 2, on CISA KEV: 2 - Vendor advisory: https://support.microsoft.com/help/5034769 ## 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) | | 25398.709 | ## CVEs this fix closes | CVE | Priority | Component | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2024-21412](https://patchblox.com/security/data/cve/CVE-2024-21412.md) | Patch now | Internet Shortcut Files | 8.1 | 0.9941 | CISA KEV, Ransomware | | [CVE-2024-21338](https://patchblox.com/security/data/cve/CVE-2024-21338.md) | Patch now | Windows Kernel | 7.8 | 0.5981 | CISA KEV, Ransomware | | [CVE-2024-21357](https://patchblox.com/security/data/cve/CVE-2024-21357.md) | Urgent | Windows Internet Connection Sharing (ICS) | 8.1 | 0.2690 | More likely | | [CVE-2024-21345](https://patchblox.com/security/data/cve/CVE-2024-21345.md) | Urgent | Windows Kernel | 8.8 | 0.2024 | More likely | | [CVE-2024-21371](https://patchblox.com/security/data/cve/CVE-2024-21371.md) | Urgent | Windows Kernel | 7.0 | 0.1088 | More likely | | [CVE-2024-21346](https://patchblox.com/security/data/cve/CVE-2024-21346.md) | Urgent | Windows Win32K - ICOMP | 7.8 | 0.0412 | More likely | | [CVE-2024-20684](https://patchblox.com/security/data/cve/CVE-2024-20684.md) | Urgent | Windows Hyper-V | 6.5 | 0.0103 | | | [CVE-2023-50387](https://patchblox.com/security/data/cve/CVE-2023-50387.md) | High | Role: DNS Server | 7.5 | 0.9999 | | | [CVE-2024-21342](https://patchblox.com/security/data/cve/CVE-2024-21342.md) | High | Role: DNS Server | 7.5 | 0.0254 | | | [CVE-2024-21348](https://patchblox.com/security/data/cve/CVE-2024-21348.md) | High | Windows Internet Connection Sharing (ICS) | 7.5 | 0.0218 | | | [CVE-2024-21372](https://patchblox.com/security/data/cve/CVE-2024-21372.md) | High | Windows OLE | 8.8 | 0.0181 | | | [CVE-2024-21358](https://patchblox.com/security/data/cve/CVE-2024-21358.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0177 | | | [CVE-2024-21360](https://patchblox.com/security/data/cve/CVE-2024-21360.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0177 | | | [CVE-2024-21365](https://patchblox.com/security/data/cve/CVE-2024-21365.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0177 | | | [CVE-2024-21366](https://patchblox.com/security/data/cve/CVE-2024-21366.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0177 | | | [CVE-2024-21370](https://patchblox.com/security/data/cve/CVE-2024-21370.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0177 | | | [CVE-2024-21420](https://patchblox.com/security/data/cve/CVE-2024-21420.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0173 | | | [CVE-2024-21375](https://patchblox.com/security/data/cve/CVE-2024-21375.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0165 | | | [CVE-2024-21349](https://patchblox.com/security/data/cve/CVE-2024-21349.md) | High | Microsoft ActiveX | 8.8 | 0.0164 | | | [CVE-2024-21359](https://patchblox.com/security/data/cve/CVE-2024-21359.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0164 | | | [CVE-2024-21361](https://patchblox.com/security/data/cve/CVE-2024-21361.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0164 | | | [CVE-2024-21367](https://patchblox.com/security/data/cve/CVE-2024-21367.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0164 | | | [CVE-2024-21368](https://patchblox.com/security/data/cve/CVE-2024-21368.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0164 | | | [CVE-2024-21352](https://patchblox.com/security/data/cve/CVE-2024-21352.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0163 | | | [CVE-2024-21391](https://patchblox.com/security/data/cve/CVE-2024-21391.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0163 | | | [CVE-2024-21353](https://patchblox.com/security/data/cve/CVE-2024-21353.md) | High | Microsoft WDAC ODBC Driver | 8.8 | 0.0158 | | | [CVE-2024-21369](https://patchblox.com/security/data/cve/CVE-2024-21369.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0155 | | | [CVE-2024-21350](https://patchblox.com/security/data/cve/CVE-2024-21350.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0148 | | | [CVE-2024-21347](https://patchblox.com/security/data/cve/CVE-2024-21347.md) | High | SQL Server | 7.5 | 0.0137 | | | [CVE-2024-21406](https://patchblox.com/security/data/cve/CVE-2024-21406.md) | High | Microsoft Windows | 7.5 | 0.0086 | | | [CVE-2024-21363](https://patchblox.com/security/data/cve/CVE-2024-21363.md) | High | Windows Message Queuing | 7.8 | 0.0080 | | | [CVE-2024-21354](https://patchblox.com/security/data/cve/CVE-2024-21354.md) | High | Windows Message Queuing | 7.8 | 0.0061 | | | [CVE-2024-21405](https://patchblox.com/security/data/cve/CVE-2024-21405.md) | High | Windows Message Queuing | 7.0 | 0.0038 | | | [CVE-2024-21355](https://patchblox.com/security/data/cve/CVE-2024-21355.md) | High | Windows Message Queuing | 7.0 | 0.0032 | | | [CVE-2024-21356](https://patchblox.com/security/data/cve/CVE-2024-21356.md) | Routine | Windows LDAP - Lightweight Directory Access Protocol | 6.5 | 0.0208 | | | [CVE-2024-21343](https://patchblox.com/security/data/cve/CVE-2024-21343.md) | Routine | Windows Internet Connection Sharing (ICS) | 5.9 | 0.0184 | | | [CVE-2024-21344](https://patchblox.com/security/data/cve/CVE-2024-21344.md) | Routine | Windows Internet Connection Sharing (ICS) | 5.9 | 0.0169 | | | [CVE-2024-21341](https://patchblox.com/security/data/cve/CVE-2024-21341.md) | Routine | Windows Kernel | 6.8 | 0.0095 | | | [CVE-2024-21340](https://patchblox.com/security/data/cve/CVE-2024-21340.md) | Routine | Windows Kernel | 4.6 | 0.0075 | | | [CVE-2024-21377](https://patchblox.com/security/data/cve/CVE-2024-21377.md) | Routine | Microsoft Windows DNS | 5.5 | 0.0065 | | | [CVE-2024-21339](https://patchblox.com/security/data/cve/CVE-2024-21339.md) | Routine | Windows USB Serial Driver | 6.4 | 0.0055 | | | [CVE-2024-21304](https://patchblox.com/security/data/cve/CVE-2024-21304.md) | Routine | Trusted Compute Base | 4.1 | 0.0048 | | | [CVE-2024-21362](https://patchblox.com/security/data/cve/CVE-2024-21362.md) | Routine | Windows Kernel | 5.5 | 0.0042 | | --- 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.