# KB4507457: July 2019 security update

KB4507457, released July 9, 2019, fixes 24 CVEs across 4 products. 2 of them are being exploited (CVE-2019-0880); 2 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/microsoft/kb4507457
- Platform: Microsoft
- Released: Jul 9, 2019
- Priority: Patch now (Closes CVE-2019-0880, exploited (CISA KEV))
- CVEs: 24, exploited: 2, on CISA KEV: 2
- Vendor advisory: https://support.microsoft.com/help/4507457

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Windows 8.1 for 32-bit systems](https://patchblox.com/security/data/product/microsoft/windows-8.1-for-32-bit-systems.md) |  |  |
| [Windows 8.1 for x64-based systems](https://patchblox.com/security/data/product/microsoft/windows-8.1-for-x64-based-systems.md) |  |  |
| [Windows Server 2012 R2](https://patchblox.com/security/data/product/microsoft/windows-server-2012-r2.md) |  |  |
| [Windows Server 2012 R2 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2012-r2-server-core-installation.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2019-0880](https://patchblox.com/security/data/cve/CVE-2019-0880.md) | Patch now | Microsoft Windows | 7.0 | 0.0231 | CISA KEV |
| [CVE-2019-1130](https://patchblox.com/security/data/cve/CVE-2019-1130.md) | Patch now | Microsoft Windows | 7.8 | 0.0172 | CISA KEV, Ransomware |
| [CVE-2019-0887](https://patchblox.com/security/data/cve/CVE-2019-0887.md) | Urgent | Microsoft Windows | 8.0 | 0.7097 | More likely |
| [CVE-2019-0785](https://patchblox.com/security/data/cve/CVE-2019-0785.md) | Urgent | Microsoft Windows | 9.8 | 0.4963 |  |
| [CVE-2019-1102](https://patchblox.com/security/data/cve/CVE-2019-1102.md) | Urgent | Microsoft Graphics Component | 8.4 | 0.1135 |  |
| [CVE-2019-1108](https://patchblox.com/security/data/cve/CVE-2019-1108.md) | Urgent | Windows RDP | 6.5 | 0.1071 | More likely |
| [CVE-2019-1089](https://patchblox.com/security/data/cve/CVE-2019-1089.md) | Urgent | Windows Kernel | 7.8 | 0.0491 | More likely |
| [CVE-2019-1071](https://patchblox.com/security/data/cve/CVE-2019-1071.md) | Urgent | Windows Kernel | 5.5 | 0.0265 | More likely |
| [CVE-2019-1073](https://patchblox.com/security/data/cve/CVE-2019-1073.md) | Urgent | Windows Kernel | 5.5 | 0.0265 | More likely |
| [CVE-2019-1006](https://patchblox.com/security/data/cve/CVE-2019-1006.md) | High | .NET Framework | n/a | 0.0607 |  |
| [CVE-2019-0811](https://patchblox.com/security/data/cve/CVE-2019-0811.md) | High | Microsoft Windows DNS | 7.5 | 0.0450 |  |
| [CVE-2019-1082](https://patchblox.com/security/data/cve/CVE-2019-1082.md) | High | Microsoft Windows | 7.7 | 0.0118 |  |
| [CVE-2019-1085](https://patchblox.com/security/data/cve/CVE-2019-1085.md) | High | Windows Media | 7.8 | 0.0086 |  |
| [CVE-2019-1086](https://patchblox.com/security/data/cve/CVE-2019-1086.md) | High | Windows Media | 7.8 | 0.0086 |  |
| [CVE-2019-1087](https://patchblox.com/security/data/cve/CVE-2019-1087.md) | High | Windows Media | 7.8 | 0.0086 |  |
| [CVE-2019-1088](https://patchblox.com/security/data/cve/CVE-2019-1088.md) | High | Windows Media | 7.8 | 0.0086 |  |
| [CVE-2019-1094](https://patchblox.com/security/data/cve/CVE-2019-1094.md) | Routine | Microsoft Graphics Component | 5.5 | 0.0673 |  |
| [CVE-2019-1095](https://patchblox.com/security/data/cve/CVE-2019-1095.md) | Routine | Microsoft Graphics Component | 5.5 | 0.0673 |  |
| [CVE-2019-1126](https://patchblox.com/security/data/cve/CVE-2019-1126.md) | Routine | Microsoft Windows | 5.3 | 0.0495 |  |
| [CVE-2019-1096](https://patchblox.com/security/data/cve/CVE-2019-1096.md) | Routine | Microsoft Graphics Component | 5.5 | 0.0483 |  |
| [CVE-2019-1125](https://patchblox.com/security/data/cve/CVE-2019-1125.md) | Routine | Windows Kernel | 5.9 | 0.0452 |  |
| [CVE-2019-0683](https://patchblox.com/security/data/cve/CVE-2019-0683.md) | Routine | Active Directory | 4.9 | 0.0336 | Disclosed |
| [CVE-2019-1093](https://patchblox.com/security/data/cve/CVE-2019-1093.md) | Routine | Microsoft Graphics Component | 5.5 | 0.0174 |  |
| [CVE-2019-1097](https://patchblox.com/security/data/cve/CVE-2019-1097.md) | Routine | Microsoft Graphics Component | 5.5 | 0.0174 |  |

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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

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