# KB4507420: July 2019 security update KB4507420, released July 9, 2019, fixes 3 CVEs across 17 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/kb4507420 - Platform: Microsoft - Released: Jul 9, 2019 - Priority: Urgent (Closes CVE-2019-1113, exploitation more likely) - CVEs: 3, exploited: 0, on CISA KEV: 0 - Vendor advisory: https://support.microsoft.com/help/4507420 ## Applies to | Product | Release | Fixed in | |---|---|---| | [Microsoft .NET Framework 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5.1-on-windows-7-for-32-bit-systems-service-pack-1.md) | | | | [Microsoft .NET Framework 3.5.1 on Windows 7 for x64-based Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5.1-on-windows-7-for-x64-based-systems-service-pack-1.md) | | | | [Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5.1-on-windows-server-2008-r2-for-itanium-based-systems-service-pack-1.md) | | | | [Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5.1-on-windows-server-2008-r2-for-x64-based-systems-service-pack-1.md) | | | | [Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5.1-on-windows-server-2008-r2-for-x64-based-systems-service-pack-1-server-core-installation.md) | | | | [Microsoft .NET Framework 4.5.2 on Windows 7 for 32-bit Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.5.2-on-windows-7-for-32-bit-systems-service-pack-1.md) | | | | [Microsoft .NET Framework 4.5.2 on Windows 7 for x64-based Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.5.2-on-windows-7-for-x64-based-systems-service-pack-1.md) | | | | [Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.5.2-on-windows-server-2008-r2-for-x64-based-systems-service-pack-1.md) | | | | [Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.5.2-on-windows-server-2008-r2-for-x64-based-systems-service-pack-1-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 7 for 32-bit Systems Service Pack 1](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-7-for-32-bit-systems-service-pack-1.md) | | | | [Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for x64-based Systems Service Pack 1](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-7-for-x64-based-systems-service-pack-1.md) | | | | [Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1](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-2008-r2-for-x64-based-systems-service-pack-1.md) | | | | [Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (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-2008-r2-for-x64-based-systems-service-pack-1-server-core-installation.md) | | | | [Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.8-on-windows-7-for-32-bit-systems-service-pack-1.md) | | | | [Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.8-on-windows-7-for-x64-based-systems-service-pack-1.md) | | | | [Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.8-on-windows-server-2008-r2-for-x64-based-systems-service-pack-1.md) | | | | [Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.8-on-windows-server-2008-r2-for-x64-based-systems-service-pack-1-server-core-installation.md) | | | ## CVEs this fix closes | CVE | Priority | Component | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2019-1113](https://patchblox.com/security/data/cve/CVE-2019-1113.md) | Urgent | .NET Framework | n/a | 0.1000 | More likely | | [CVE-2019-1083](https://patchblox.com/security/data/cve/CVE-2019-1083.md) | High | .NET Framework | n/a | 0.0780 | | | [CVE-2019-1006](https://patchblox.com/security/data/cve/CVE-2019-1006.md) | High | .NET Framework | n/a | 0.0607 | | --- Data as of 2026-11-07T18:46:35Z UTC. 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