# KB4577048: September 2020 security update

KB4577048, released September 8, 2020, fixes 45 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/microsoft/kb4577048
- Platform: Microsoft
- Released: Sep 8, 2020
- Priority: Urgent (Closes CVE-2020-0922, rated Critical)
- CVEs: 45, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/4577048

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Windows Server 2012](https://patchblox.com/security/data/product/microsoft/windows-server-2012.md) |  |  |
| [Windows Server 2012 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2012-server-core-installation.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-0922](https://patchblox.com/security/data/cve/CVE-2020-0922.md) | Urgent | Microsoft Windows | 8.8 | 0.0491 |  |
| [CVE-2020-0664](https://patchblox.com/security/data/cve/CVE-2020-0664.md) | Urgent | Windows Active Directory | 6.5 | 0.0400 | More likely |
| [CVE-2020-1285](https://patchblox.com/security/data/cve/CVE-2020-1285.md) | Urgent | Microsoft Graphics Component | 8.4 | 0.0396 |  |
| [CVE-2020-0856](https://patchblox.com/security/data/cve/CVE-2020-0856.md) | Urgent | Windows Active Directory | 6.5 | 0.0390 | More likely |
| [CVE-2020-1252](https://patchblox.com/security/data/cve/CVE-2020-1252.md) | Urgent | Microsoft Windows | 7.8 | 0.0388 |  |
| [CVE-2020-1508](https://patchblox.com/security/data/cve/CVE-2020-1508.md) | Urgent | Microsoft Windows | 7.6 | 0.0326 |  |
| [CVE-2020-1593](https://patchblox.com/security/data/cve/CVE-2020-1593.md) | Urgent | Microsoft Windows | 7.6 | 0.0282 |  |
| [CVE-2020-0941](https://patchblox.com/security/data/cve/CVE-2020-0941.md) | Urgent | Windows Kernel | 5.5 | 0.0113 | More likely |
| [CVE-2020-1115](https://patchblox.com/security/data/cve/CVE-2020-1115.md) | Urgent | Windows Common Log File System Driver | 7.8 | 0.0109 | More likely |
| [CVE-2020-1245](https://patchblox.com/security/data/cve/CVE-2020-1245.md) | Urgent | Microsoft Graphics Component | 7.0 | 0.0083 | More likely |
| [CVE-2020-1152](https://patchblox.com/security/data/cve/CVE-2020-1152.md) | Urgent | Microsoft Graphics Component | 5.8 | 0.0060 | More likely |
| [CVE-2020-1074](https://patchblox.com/security/data/cve/CVE-2020-1074.md) | High | Microsoft JET Database Engine | 7.8 | 0.4603 |  |
| [CVE-2020-1013](https://patchblox.com/security/data/cve/CVE-2020-1013.md) | High | Microsoft Windows | 7.5 | 0.0646 |  |
| [CVE-2020-1031](https://patchblox.com/security/data/cve/CVE-2020-1031.md) | High | Windows DHCP Server | 7.5 | 0.0514 |  |
| [CVE-2020-0836](https://patchblox.com/security/data/cve/CVE-2020-0836.md) | High | Microsoft Windows DNS | 7.5 | 0.0505 |  |
| [CVE-2020-1228](https://patchblox.com/security/data/cve/CVE-2020-1228.md) | High | Microsoft Windows DNS | 7.5 | 0.0450 |  |
| [CVE-2020-1039](https://patchblox.com/security/data/cve/CVE-2020-1039.md) | High | Microsoft JET Database Engine | 7.8 | 0.0427 |  |
| [CVE-2020-0718](https://patchblox.com/security/data/cve/CVE-2020-0718.md) | High | Windows Active Directory | 8.8 | 0.0361 |  |
| [CVE-2020-0761](https://patchblox.com/security/data/cve/CVE-2020-0761.md) | High | Windows Active Directory | 8.8 | 0.0361 |  |
| [CVE-2020-17162](https://patchblox.com/security/data/cve/CVE-2020-17162.md) | High | Microsoft Windows | 8.8 | 0.0243 |  |
| [CVE-2020-0886](https://patchblox.com/security/data/cve/CVE-2020-0886.md) | High | Microsoft Windows | 7.8 | 0.0124 |  |
| [CVE-2020-1030](https://patchblox.com/security/data/cve/CVE-2020-1030.md) | High | Windows Print Spooler Components | 7.8 | 0.0110 |  |
| [CVE-2020-0911](https://patchblox.com/security/data/cve/CVE-2020-0911.md) | High | Microsoft Windows | 7.8 | 0.0104 |  |
| [CVE-2020-0782](https://patchblox.com/security/data/cve/CVE-2020-0782.md) | High | Microsoft Windows | 7.8 | 0.0100 |  |
| [CVE-2020-0838](https://patchblox.com/security/data/cve/CVE-2020-0838.md) | High | Windows NTFS | 7.8 | 0.0100 |  |
| [CVE-2020-0998](https://patchblox.com/security/data/cve/CVE-2020-0998.md) | High | Microsoft Graphics Component | 7.8 | 0.0100 |  |
| [CVE-2020-0648](https://patchblox.com/security/data/cve/CVE-2020-0648.md) | High | Microsoft Windows | 7.8 | 0.0097 |  |
| [CVE-2020-0790](https://patchblox.com/security/data/cve/CVE-2020-0790.md) | High | Microsoft Windows | 7.8 | 0.0093 |  |
| [CVE-2020-1052](https://patchblox.com/security/data/cve/CVE-2020-1052.md) | High | Microsoft Windows | 7.8 | 0.0093 |  |
| [CVE-2020-1376](https://patchblox.com/security/data/cve/CVE-2020-1376.md) | High | Microsoft Windows | 7.8 | 0.0093 |  |
| [CVE-2020-1491](https://patchblox.com/security/data/cve/CVE-2020-1491.md) | High | Microsoft Windows | 7.8 | 0.0093 |  |
| [CVE-2020-1559](https://patchblox.com/security/data/cve/CVE-2020-1559.md) | High | Microsoft Windows | 7.8 | 0.0093 |  |
| [CVE-2020-0912](https://patchblox.com/security/data/cve/CVE-2020-0912.md) | High | Microsoft Windows | 7.0 | 0.0078 |  |
| [CVE-2020-1034](https://patchblox.com/security/data/cve/CVE-2020-1034.md) | Routine | Windows Kernel | 6.8 | 0.0485 |  |
| [CVE-2020-1256](https://patchblox.com/security/data/cve/CVE-2020-1256.md) | Routine | Microsoft Graphics Component | 5.5 | 0.0460 |  |
| [CVE-2020-1097](https://patchblox.com/security/data/cve/CVE-2020-1097.md) | Routine | Microsoft Graphics Component | 6.5 | 0.0459 |  |
| [CVE-2020-1091](https://patchblox.com/security/data/cve/CVE-2020-1091.md) | Routine | Microsoft Graphics Component | 6.5 | 0.0448 |  |
| [CVE-2020-0875](https://patchblox.com/security/data/cve/CVE-2020-0875.md) | Routine | Microsoft Windows | 5.5 | 0.0444 |  |
| [CVE-2020-1589](https://patchblox.com/security/data/cve/CVE-2020-1589.md) | Routine | Windows Kernel | 4.4 | 0.0131 |  |
| [CVE-2020-1038](https://patchblox.com/security/data/cve/CVE-2020-1038.md) | Routine | Microsoft Windows | 5.5 | 0.0122 |  |
| [CVE-2020-0921](https://patchblox.com/security/data/cve/CVE-2020-0921.md) | Routine | Microsoft Graphics Component | 5.5 | 0.0108 |  |
| [CVE-2020-1083](https://patchblox.com/security/data/cve/CVE-2020-1083.md) | Routine | Microsoft Graphics Component | 5.5 | 0.0108 |  |
| [CVE-2020-1250](https://patchblox.com/security/data/cve/CVE-2020-1250.md) | Routine | Microsoft Graphics Component | 5.5 | 0.0108 |  |
| [CVE-2020-1598](https://patchblox.com/security/data/cve/CVE-2020-1598.md) | Routine | Microsoft Windows | 4.6 | 0.0093 |  |
| [CVE-2020-1596](https://patchblox.com/security/data/cve/CVE-2020-1596.md) | Routine | Microsoft Windows | 5.4 | 0.0089 |  |

---

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
