# KB5035920: March 2024 security update

KB5035920, released March 12, 2024, fixes 21 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/kb5035920
- Platform: Microsoft
- Released: Mar 12, 2024
- Priority: Urgent (Closes CVE-2024-21437, exploitation more likely)
- CVEs: 21, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/5035920

## 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-2024-21437](https://patchblox.com/security/data/cve/CVE-2024-21437.md) | Urgent | Microsoft Graphics Component | 7.8 | 0.0803 | More likely |
| [CVE-2024-21440](https://patchblox.com/security/data/cve/CVE-2024-21440.md) | High | Windows ODBC Driver | 8.8 | 0.0203 |  |
| [CVE-2024-21450](https://patchblox.com/security/data/cve/CVE-2024-21450.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0203 |  |
| [CVE-2024-26166](https://patchblox.com/security/data/cve/CVE-2024-26166.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0203 |  |
| [CVE-2024-26162](https://patchblox.com/security/data/cve/CVE-2024-26162.md) | High | Windows ODBC Driver | 8.8 | 0.0202 |  |
| [CVE-2024-21441](https://patchblox.com/security/data/cve/CVE-2024-21441.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0195 |  |
| [CVE-2024-21444](https://patchblox.com/security/data/cve/CVE-2024-21444.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0195 |  |
| [CVE-2024-21451](https://patchblox.com/security/data/cve/CVE-2024-21451.md) | High | Microsoft WDAC ODBC Driver | 8.8 | 0.0195 |  |
| [CVE-2024-26159](https://patchblox.com/security/data/cve/CVE-2024-26159.md) | High | Windows ODBC Driver | 8.8 | 0.0195 |  |
| [CVE-2024-26161](https://patchblox.com/security/data/cve/CVE-2024-26161.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0195 |  |
| [CVE-2024-26173](https://patchblox.com/security/data/cve/CVE-2024-26173.md) | High | Windows Kernel | 7.8 | 0.0089 |  |
| [CVE-2024-26178](https://patchblox.com/security/data/cve/CVE-2024-26178.md) | High | Windows Kernel | 7.8 | 0.0089 |  |
| [CVE-2024-26176](https://patchblox.com/security/data/cve/CVE-2024-26176.md) | High | Windows Kernel | 7.8 | 0.0083 |  |
| [CVE-2024-21436](https://patchblox.com/security/data/cve/CVE-2024-21436.md) | High | Windows Installer | 7.8 | 0.0072 |  |
| [CVE-2024-21446](https://patchblox.com/security/data/cve/CVE-2024-21446.md) | High | Windows NTFS | 7.8 | 0.0066 |  |
| [CVE-2024-21439](https://patchblox.com/security/data/cve/CVE-2024-21439.md) | High | Windows Telephony Server | 7.0 | 0.0052 |  |
| [CVE-2024-26177](https://patchblox.com/security/data/cve/CVE-2024-26177.md) | Routine | Windows Kernel | 5.5 | 0.0112 |  |
| [CVE-2024-26181](https://patchblox.com/security/data/cve/CVE-2024-26181.md) | Routine | Windows Kernel | 5.5 | 0.0104 |  |
| [CVE-2024-26174](https://patchblox.com/security/data/cve/CVE-2024-26174.md) | Routine | Windows Kernel | 5.5 | 0.0092 |  |
| [CVE-2024-21429](https://patchblox.com/security/data/cve/CVE-2024-21429.md) | Routine | Windows USB Hub Driver | 6.8 | 0.0090 |  |
| [CVE-2023-28746](https://patchblox.com/security/data/cve/CVE-2023-28746.md) | Routine | Intel | 6.5 | 0.0055 |  |

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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