# KB5034130: January 2024 cumulative update for Windows Server 23H2 KB5034130, released January 9, 2024, fixes 35 CVEs in Windows Server 2022, 23H2 Edition (Server Core installation) (build 25398.643). None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported. - Web page: https://patchblox.com/security/fix/microsoft/kb5034130 - Platform: Microsoft - Released: Jan 9, 2024 - Priority: Urgent (Closes CVE-2024-20674, exploitation more likely) - CVEs: 35, exploited: 0, on CISA KEV: 0 - Vendor advisory: https://support.microsoft.com/help/5034130 ## 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) | | 25398.643 | ## CVEs this fix closes | CVE | Priority | Component | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2024-20674](https://patchblox.com/security/data/cve/CVE-2024-20674.md) | Urgent | Windows Authentication Methods | 8.8 | 0.1717 | More likely | | [CVE-2024-21310](https://patchblox.com/security/data/cve/CVE-2024-21310.md) | Urgent | Windows Cloud Files Mini Filter Driver | 7.8 | 0.1160 | More likely | | [CVE-2024-20698](https://patchblox.com/security/data/cve/CVE-2024-20698.md) | Urgent | Windows Kernel | 7.8 | 0.0865 | More likely | | [CVE-2024-20653](https://patchblox.com/security/data/cve/CVE-2024-20653.md) | Urgent | Windows Common Log File System Driver | 7.8 | 0.0449 | More likely | | [CVE-2024-20683](https://patchblox.com/security/data/cve/CVE-2024-20683.md) | Urgent | Windows Win32K | 7.8 | 0.0421 | More likely | | [CVE-2024-20700](https://patchblox.com/security/data/cve/CVE-2024-20700.md) | Urgent | Windows Hyper-V | 7.5 | 0.0395 | | | [CVE-2024-20652](https://patchblox.com/security/data/cve/CVE-2024-20652.md) | Urgent | Windows Scripting | 8.1 | 0.0208 | More likely | | [CVE-2024-20686](https://patchblox.com/security/data/cve/CVE-2024-20686.md) | Urgent | Windows Win32 Kernel Subsystem | 7.8 | 0.0067 | More likely | | [CVE-2024-20697](https://patchblox.com/security/data/cve/CVE-2024-20697.md) | High | Windows Libarchive | 7.3 | 0.7216 | | | [CVE-2024-20696](https://patchblox.com/security/data/cve/CVE-2024-20696.md) | High | Windows Libarchive | 7.3 | 0.0315 | | | [CVE-2024-20661](https://patchblox.com/security/data/cve/CVE-2024-20661.md) | High | Windows Message Queuing | 7.5 | 0.0276 | | | [CVE-2024-20687](https://patchblox.com/security/data/cve/CVE-2024-20687.md) | High | Windows AllJoyn API | 7.5 | 0.0250 | | | [CVE-2024-20654](https://patchblox.com/security/data/cve/CVE-2024-20654.md) | High | Windows ODBC Driver | 8.0 | 0.0199 | | | [CVE-2024-20682](https://patchblox.com/security/data/cve/CVE-2024-20682.md) | High | Windows Cryptographic Services | 7.8 | 0.0076 | | | [CVE-2024-21309](https://patchblox.com/security/data/cve/CVE-2024-21309.md) | High | Windows Kernel-Mode Drivers | 7.8 | 0.0076 | | | [CVE-2024-20658](https://patchblox.com/security/data/cve/CVE-2024-20658.md) | High | Microsoft Virtual Hard Drive | 7.8 | 0.0071 | | | [CVE-2024-20681](https://patchblox.com/security/data/cve/CVE-2024-20681.md) | High | Windows Subsystem for Linux | 7.8 | 0.0070 | | | [CVE-2024-20657](https://patchblox.com/security/data/cve/CVE-2024-20657.md) | High | Windows Group Policy | 7.0 | 0.0057 | | | [CVE-2024-21306](https://patchblox.com/security/data/cve/CVE-2024-21306.md) | Routine | Microsoft Bluetooth Driver | 5.7 | 0.0583 | | | [CVE-2024-20666](https://patchblox.com/security/data/cve/CVE-2024-20666.md) | Routine | Windows BitLocker | 6.6 | 0.0310 | | | [CVE-2024-21314](https://patchblox.com/security/data/cve/CVE-2024-21314.md) | Routine | Windows Message Queuing | 6.5 | 0.0208 | | | [CVE-2024-20660](https://patchblox.com/security/data/cve/CVE-2024-20660.md) | Routine | Windows Message Queuing | 6.5 | 0.0204 | | | [CVE-2024-20680](https://patchblox.com/security/data/cve/CVE-2024-20680.md) | Routine | Windows Message Queuing | 6.5 | 0.0204 | | | [CVE-2024-20664](https://patchblox.com/security/data/cve/CVE-2024-20664.md) | Routine | Windows Message Queuing | 6.5 | 0.0200 | | | [CVE-2024-20663](https://patchblox.com/security/data/cve/CVE-2024-20663.md) | Routine | Windows Message Queuing | 6.5 | 0.0193 | | | [CVE-2024-20662](https://patchblox.com/security/data/cve/CVE-2024-20662.md) | Routine | Windows Online Certificate Status Protocol (OCSP) SnapIn | 4.9 | 0.0192 | | | [CVE-2024-21313](https://patchblox.com/security/data/cve/CVE-2024-21313.md) | Routine | Windows TCP/IP | 5.3 | 0.0150 | | | [CVE-2024-21305](https://patchblox.com/security/data/cve/CVE-2024-21305.md) | Routine | Unified Extensible Firmware Interface | 4.4 | 0.0149 | | | [CVE-2024-21316](https://patchblox.com/security/data/cve/CVE-2024-21316.md) | Routine | Windows Server Key Distribution Service | 6.1 | 0.0148 | | | [CVE-2024-20655](https://patchblox.com/security/data/cve/CVE-2024-20655.md) | Routine | Windows Online Certificate Status Protocol (OCSP) SnapIn | 6.6 | 0.0141 | | | [CVE-2024-20692](https://patchblox.com/security/data/cve/CVE-2024-20692.md) | Routine | Windows Local Security Authority Subsystem Service (LSASS) | 5.7 | 0.0118 | | | [CVE-2024-20694](https://patchblox.com/security/data/cve/CVE-2024-20694.md) | Routine | Windows Collaborative Translation Framework | 5.5 | 0.0089 | | | [CVE-2024-21311](https://patchblox.com/security/data/cve/CVE-2024-21311.md) | Routine | Windows Cryptographic Services | 5.5 | 0.0078 | | | [CVE-2024-20699](https://patchblox.com/security/data/cve/CVE-2024-20699.md) | Routine | Windows Hyper-V | 5.5 | 0.0074 | | | [CVE-2024-20691](https://patchblox.com/security/data/cve/CVE-2024-20691.md) | Routine | Windows Themes | 4.7 | 0.0059 | | --- Data as of 2026-11-07T06:34:28Z 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