# KB4498962: May 2019 security update

KB4498962, released May 14, 2019, fixes 4 CVEs across 8 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/microsoft/kb4498962
- Platform: Microsoft
- Released: May 14, 2019
- Priority: High (Closes CVE-2019-0820, high severity)
- CVEs: 4, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/4498962

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft .NET Framework 3.5 on Windows Server 2012](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5-on-windows-server-2012.md) |  |  |
| [Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5-on-windows-server-2012-server-core-installation.md) |  |  |
| [Microsoft .NET Framework 4.5.2 on Windows Server 2012](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.5.2-on-windows-server-2012.md) |  |  |
| [Microsoft .NET Framework 4.5.2 on Windows Server 2012 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.5.2-on-windows-server-2012-server-core-installation.md) |  |  |
| [Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.6-4.6.1-4.6.2-4.7-4.7.1-4.7.2-on-windows-server-2012.md) |  |  |
| [Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.6-4.6.1-4.6.2-4.7-4.7.1-4.7.2-on-windows-server-2012-server-core-installation.md) |  |  |
| [Microsoft .NET Framework 4.8 on Windows Server 2012](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.8-on-windows-server-2012.md) |  |  |
| [Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.8-on-windows-server-2012-server-core-installation.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2019-0820](https://patchblox.com/security/data/cve/CVE-2019-0820.md) | High | .NET Framework | 7.5 | 0.0572 |  |
| [CVE-2019-0980](https://patchblox.com/security/data/cve/CVE-2019-0980.md) | High | .NET Core | 7.5 | 0.0498 |  |
| [CVE-2019-0981](https://patchblox.com/security/data/cve/CVE-2019-0981.md) | High | .NET Core | 7.5 | 0.0498 |  |
| [CVE-2019-0864](https://patchblox.com/security/data/cve/CVE-2019-0864.md) | High | .NET Framework | n/a | 0.0135 |  |

---

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