# KB5023754: March 2023 security update

KB5023754, released March 14, 2023, fixes 19 CVEs across 4 products. 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/kb5023754
- Platform: Microsoft
- Released: Mar 14, 2023
- Priority: Urgent (Closes CVE-2023-23410, exploitation more likely)
- CVEs: 19, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/5023754

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Windows Server 2008 for 32-bit Systems Service Pack 2](https://patchblox.com/security/data/product/microsoft/windows-server-2008-for-32-bit-systems-service-pack-2.md) |  |  |
| [Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2008-for-32-bit-systems-service-pack-2-server-core-installation.md) |  |  |
| [Windows Server 2008 for x64-based Systems Service Pack 2](https://patchblox.com/security/data/product/microsoft/windows-server-2008-for-x64-based-systems-service-pack-2.md) |  |  |
| [Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2008-for-x64-based-systems-service-pack-2-server-core-installation.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-23410](https://patchblox.com/security/data/cve/CVE-2023-23410.md) | Urgent | Windows HTTP.sys | 7.8 | 0.0795 | More likely |
| [CVE-2023-23415](https://patchblox.com/security/data/cve/CVE-2023-23415.md) | Urgent | Internet Control Message Protocol (ICMP) | 9.8 | 0.0348 | More likely |
| [CVE-2023-21708](https://patchblox.com/security/data/cve/CVE-2023-21708.md) | Urgent | Windows Remote Procedure Call | 9.8 | 0.0149 |  |
| [CVE-2023-24861](https://patchblox.com/security/data/cve/CVE-2023-24861.md) | Urgent | Windows Win32K | 7.0 | 0.0027 | More likely |
| [CVE-2022-29900](https://patchblox.com/security/data/cve/CVE-2022-29900.md) | High | AMD CPU Branch | 7.8 | 0.0394 |  |
| [CVE-2023-23405](https://patchblox.com/security/data/cve/CVE-2023-23405.md) | High | Windows Remote Procedure Call Runtime | 8.1 | 0.0100 |  |
| [CVE-2023-24869](https://patchblox.com/security/data/cve/CVE-2023-24869.md) | High | Windows Remote Procedure Call Runtime | 8.1 | 0.0100 |  |
| [CVE-2023-24908](https://patchblox.com/security/data/cve/CVE-2023-24908.md) | High | Windows Remote Procedure Call Runtime | 8.1 | 0.0100 |  |
| [CVE-2022-23825](https://patchblox.com/security/data/cve/CVE-2022-23825.md) | High | AMD CPU Branch | 7.8 | 0.0079 |  |
| [CVE-2023-23420](https://patchblox.com/security/data/cve/CVE-2023-23420.md) | High | Windows Kernel | 7.8 | 0.0075 |  |
| [CVE-2023-23421](https://patchblox.com/security/data/cve/CVE-2023-23421.md) | High | Windows Kernel | 7.8 | 0.0067 |  |
| [CVE-2023-23422](https://patchblox.com/security/data/cve/CVE-2023-23422.md) | High | Windows Kernel | 7.8 | 0.0060 |  |
| [CVE-2023-23423](https://patchblox.com/security/data/cve/CVE-2023-23423.md) | High | Windows Kernel | 7.8 | 0.0060 |  |
| [CVE-2023-24910](https://patchblox.com/security/data/cve/CVE-2023-24910.md) | High | Microsoft Graphics Component | 7.8 | 0.0039 |  |
| [CVE-2023-23385](https://patchblox.com/security/data/cve/CVE-2023-23385.md) | High | Windows Point-to-Point Protocol over Ethernet (PPPoE) | 7.0 | 0.0033 |  |
| [CVE-2021-26414](https://patchblox.com/security/data/cve/CVE-2021-26414.md) | Routine | Windows DCOM Server | 4.8 | 0.4984 |  |
| [CVE-2023-24862](https://patchblox.com/security/data/cve/CVE-2023-24862.md) | Routine | Windows Secure Channel | 5.5 | 0.0050 |  |
| [CVE-2023-23394](https://patchblox.com/security/data/cve/CVE-2023-23394.md) | Routine | Client Server Run-time Subsystem (CSRSS) | 5.5 | 0.0047 |  |
| [CVE-2023-23409](https://patchblox.com/security/data/cve/CVE-2023-23409.md) | Routine | Client Server Run-time Subsystem (CSRSS) | 5.5 | 0.0047 |  |

---

Data as of 2026-11-07T18:46:35Z 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.