# KB4565349: August 2020 cumulative update for Windows 10 1809 KB4565349, released August 11, 2020, fixes 89 CVEs across 13 products. 2 of them are being exploited (CVE-2020-1464); 2 on CISA KEV. Patch Radar priority: Patch now. - Web page: https://patchblox.com/security/fix/microsoft/kb4565349 - Platform: Microsoft - Released: Aug 11, 2020 - Priority: Patch now (Closes CVE-2020-1464, exploited (CISA KEV)) - CVEs: 89, exploited: 2, on CISA KEV: 2 - Vendor advisory: https://support.microsoft.com/help/4565349 ## Applies to | Product | Release | Fixed in | |---|---|---| | [Internet Explorer 11 on Windows 10 Version 1809 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-10-version-1809-for-32-bit-systems.md) | | 17763.1397 | | [Internet Explorer 11 on Windows 10 Version 1809 for ARM64-based Systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-10-version-1809-for-arm64-based-systems.md) | | 17763.1397 | | [Internet Explorer 11 on Windows 10 Version 1809 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-10-version-1809-for-x64-based-systems.md) | | 17763.1397 | | [Internet Explorer 11 on Windows Server 2019](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-server-2019.md) | | 17763.1397 | | [Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1809-for-32-bit-systems.md) | | 17763.1397 | | [Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for ARM64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1809-for-arm64-based-systems.md) | | 17763.1397 | | [Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1809-for-x64-based-systems.md) | | 17763.1397 | | [Microsoft Edge (EdgeHTML-based) on Windows Server 2019](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-server-2019.md) | | 17763.1397 | | [Windows 10 Version 1809 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1809-for-32-bit-systems.md) | | 17763.1397 | | [Windows 10 Version 1809 for ARM64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1809-for-arm64-based-systems.md) | | 17763.1397 | | [Windows 10 Version 1809 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1809-for-x64-based-systems.md) | | 17763.1397 | | [Windows Server 2019](https://patchblox.com/security/data/product/microsoft/windows-server-2019.md) | | 17763.1397 | | [Windows Server 2019 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2019-server-core-installation.md) | | 17763.1397 | ## CVEs this fix closes | CVE | Priority | Component | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2020-1464](https://patchblox.com/security/data/cve/CVE-2020-1464.md) | Patch now | Microsoft Windows | 5.3 | 0.3895 | CISA KEV, Disclosed | | [CVE-2020-1380](https://patchblox.com/security/data/cve/CVE-2020-1380.md) | Patch now | Microsoft Scripting Engine | 7.5 | 0.2419 | CISA KEV | | [CVE-2020-1570](https://patchblox.com/security/data/cve/CVE-2020-1570.md) | Urgent | Microsoft Scripting Engine | 7.5 | 0.0884 | More likely | | [CVE-2020-1555](https://patchblox.com/security/data/cve/CVE-2020-1555.md) | Urgent | Microsoft Scripting Engine | n/a | 0.0451 | | | [CVE-2020-1567](https://patchblox.com/security/data/cve/CVE-2020-1567.md) | Urgent | Internet Explorer | 7.5 | 0.0367 | More likely | | [CVE-2020-1554](https://patchblox.com/security/data/cve/CVE-2020-1554.md) | Urgent | Windows Media | 8.0 | 0.0346 | | | [CVE-2020-1492](https://patchblox.com/security/data/cve/CVE-2020-1492.md) | Urgent | Microsoft Video Control | 7.8 | 0.0346 | | | [CVE-2020-1339](https://patchblox.com/security/data/cve/CVE-2020-1339.md) | Urgent | Windows Media | 7.3 | 0.0332 | | | [CVE-2020-1379](https://patchblox.com/security/data/cve/CVE-2020-1379.md) | Urgent | Windows Media | 7.8 | 0.0331 | | | [CVE-2020-1568](https://patchblox.com/security/data/cve/CVE-2020-1568.md) | Urgent | Microsoft Edge (HTML-based) | 4.2 | 0.0311 | | | [CVE-2020-1525](https://patchblox.com/security/data/cve/CVE-2020-1525.md) | Urgent | Windows Media | 7.8 | 0.0285 | | | [CVE-2020-1477](https://patchblox.com/security/data/cve/CVE-2020-1477.md) | Urgent | Windows Media Player | 7.8 | 0.0251 | | | [CVE-2020-1566](https://patchblox.com/security/data/cve/CVE-2020-1566.md) | Urgent | Microsoft Windows | n/a | 0.0168 | More likely | | [CVE-2020-1578](https://patchblox.com/security/data/cve/CVE-2020-1578.md) | Urgent | Windows Kernel | 5.5 | 0.0094 | More likely | | [CVE-2020-1480](https://patchblox.com/security/data/cve/CVE-2020-1480.md) | Urgent | Microsoft Windows | 7.8 | 0.0090 | More likely | | [CVE-2020-1529](https://patchblox.com/security/data/cve/CVE-2020-1529.md) | Urgent | Microsoft Graphics Component | 7.8 | 0.0090 | More likely | | [CVE-2020-1584](https://patchblox.com/security/data/cve/CVE-2020-1584.md) | Urgent | Microsoft Windows | 7.8 | 0.0090 | More likely | | [CVE-2020-1587](https://patchblox.com/security/data/cve/CVE-2020-1587.md) | Urgent | Microsoft Windows | 7.8 | 0.0086 | More likely | | [CVE-2020-1337](https://patchblox.com/security/data/cve/CVE-2020-1337.md) | High | Windows Print Spooler Components | 7.8 | 0.1418 | | | [CVE-2020-1561](https://patchblox.com/security/data/cve/CVE-2020-1561.md) | High | Microsoft Graphics Component | 7.8 | 0.0426 | | | [CVE-2020-1558](https://patchblox.com/security/data/cve/CVE-2020-1558.md) | High | Microsoft JET Database Engine | n/a | 0.0418 | | | [CVE-2020-1562](https://patchblox.com/security/data/cve/CVE-2020-1562.md) | High | Microsoft Graphics Component | 7.8 | 0.0403 | | | [CVE-2020-1564](https://patchblox.com/security/data/cve/CVE-2020-1564.md) | High | Microsoft JET Database Engine | n/a | 0.0403 | | | [CVE-2020-1466](https://patchblox.com/security/data/cve/CVE-2020-1466.md) | High | Windows RDP | 7.5 | 0.0395 | | | [CVE-2020-1557](https://patchblox.com/security/data/cve/CVE-2020-1557.md) | High | Microsoft JET Database Engine | n/a | 0.0393 | | | [CVE-2020-1378](https://patchblox.com/security/data/cve/CVE-2020-1378.md) | High | Windows Registry | 7.8 | 0.0386 | | | [CVE-2020-1467](https://patchblox.com/security/data/cve/CVE-2020-1467.md) | High | Microsoft Windows | 7.8 | 0.0355 | | | [CVE-2020-1509](https://patchblox.com/security/data/cve/CVE-2020-1509.md) | High | Microsoft Windows | 8.8 | 0.0326 | | | [CVE-2020-1473](https://patchblox.com/security/data/cve/CVE-2020-1473.md) | High | Microsoft JET Database Engine | 7.8 | 0.0280 | | | [CVE-2020-1478](https://patchblox.com/security/data/cve/CVE-2020-1478.md) | High | Windows Media Player | 7.8 | 0.0268 | | | [CVE-2020-1531](https://patchblox.com/security/data/cve/CVE-2020-1531.md) | High | Windows Shell | 7.8 | 0.0268 | | | [CVE-2020-1534](https://patchblox.com/security/data/cve/CVE-2020-1534.md) | High | Microsoft Windows | 7.8 | 0.0268 | | | [CVE-2020-1565](https://patchblox.com/security/data/cve/CVE-2020-1565.md) | High | Windows Shell | n/a | 0.0251 | | | [CVE-2020-1528](https://patchblox.com/security/data/cve/CVE-2020-1528.md) | High | Microsoft Windows | 7.8 | 0.0244 | | | [CVE-2020-1552](https://patchblox.com/security/data/cve/CVE-2020-1552.md) | High | Microsoft Windows | n/a | 0.0236 | | | [CVE-2020-1377](https://patchblox.com/security/data/cve/CVE-2020-1377.md) | High | Windows Registry | 7.8 | 0.0151 | | | [CVE-2020-1417](https://patchblox.com/security/data/cve/CVE-2020-1417.md) | High | Windows Kernel | 7.8 | 0.0144 | | | [CVE-2020-1548](https://patchblox.com/security/data/cve/CVE-2020-1548.md) | High | Windows Update Stack | 7.8 | 0.0118 | | | [CVE-2020-1475](https://patchblox.com/security/data/cve/CVE-2020-1475.md) | High | Microsoft Windows | 7.0 | 0.0115 | | | [CVE-2020-1470](https://patchblox.com/security/data/cve/CVE-2020-1470.md) | High | Microsoft Windows | 7.8 | 0.0113 | | | [CVE-2020-1530](https://patchblox.com/security/data/cve/CVE-2020-1530.md) | High | Microsoft Windows | 7.8 | 0.0101 | | | [CVE-2020-1522](https://patchblox.com/security/data/cve/CVE-2020-1522.md) | High | Windows AI | 7.8 | 0.0100 | | | [CVE-2020-1549](https://patchblox.com/security/data/cve/CVE-2020-1549.md) | High | Microsoft Windows | 7.8 | 0.0098 | | | [CVE-2020-1486](https://patchblox.com/security/data/cve/CVE-2020-1486.md) | High | Microsoft Windows | n/a | 0.0098 | | | [CVE-2020-1527](https://patchblox.com/security/data/cve/CVE-2020-1527.md) | High | Microsoft Windows | 7.8 | 0.0095 | | | [CVE-2020-1524](https://patchblox.com/security/data/cve/CVE-2020-1524.md) | High | Windows AI | 7.8 | 0.0093 | | | [CVE-2020-1556](https://patchblox.com/security/data/cve/CVE-2020-1556.md) | High | Windows WalletService | n/a | 0.0093 | | | [CVE-2020-1547](https://patchblox.com/security/data/cve/CVE-2020-1547.md) | High | Microsoft Windows | 7.8 | 0.0092 | | | [CVE-2020-1489](https://patchblox.com/security/data/cve/CVE-2020-1489.md) | High | Microsoft Windows | 7.8 | 0.0091 | | | [CVE-2020-1513](https://patchblox.com/security/data/cve/CVE-2020-1513.md) | High | Microsoft Windows | 7.8 | 0.0091 | | | [CVE-2020-1515](https://patchblox.com/security/data/cve/CVE-2020-1515.md) | High | Microsoft Windows | 7.8 | 0.0091 | | | [CVE-2020-1516](https://patchblox.com/security/data/cve/CVE-2020-1516.md) | High | Microsoft Windows | 7.8 | 0.0091 | | | [CVE-2020-1518](https://patchblox.com/security/data/cve/CVE-2020-1518.md) | High | Microsoft Windows | 7.8 | 0.0091 | | | [CVE-2020-1519](https://patchblox.com/security/data/cve/CVE-2020-1519.md) | High | Microsoft Windows | 7.8 | 0.0091 | | | [CVE-2020-1533](https://patchblox.com/security/data/cve/CVE-2020-1533.md) | High | Windows WalletService | 7.8 | 0.0091 | | | [CVE-2020-1535](https://patchblox.com/security/data/cve/CVE-2020-1535.md) | High | Microsoft Windows | 7.8 | 0.0091 | | | [CVE-2020-1539](https://patchblox.com/security/data/cve/CVE-2020-1539.md) | High | Microsoft Windows | 7.8 | 0.0091 | | | [CVE-2020-1540](https://patchblox.com/security/data/cve/CVE-2020-1540.md) | High | Microsoft Windows | 7.8 | 0.0091 | | | [CVE-2020-1541](https://patchblox.com/security/data/cve/CVE-2020-1541.md) | High | Microsoft Windows | 7.8 | 0.0091 | | | [CVE-2020-1544](https://patchblox.com/security/data/cve/CVE-2020-1544.md) | High | Microsoft Windows | 7.8 | 0.0091 | | | [CVE-2020-1545](https://patchblox.com/security/data/cve/CVE-2020-1545.md) | High | Microsoft Windows | 7.8 | 0.0091 | | | [CVE-2020-1546](https://patchblox.com/security/data/cve/CVE-2020-1546.md) | High | Microsoft Windows | 7.8 | 0.0091 | | | [CVE-2020-1520](https://patchblox.com/security/data/cve/CVE-2020-1520.md) | High | Microsoft Windows | 7.8 | 0.0090 | | | [CVE-2020-1479](https://patchblox.com/security/data/cve/CVE-2020-1479.md) | High | Windows Kernel | 7.0 | 0.0090 | | | [CVE-2020-1550](https://patchblox.com/security/data/cve/CVE-2020-1550.md) | High | Microsoft Windows | 7.8 | 0.0086 | | | [CVE-2020-1579](https://patchblox.com/security/data/cve/CVE-2020-1579.md) | High | Microsoft Windows | 7.8 | 0.0086 | | | [CVE-2020-1511](https://patchblox.com/security/data/cve/CVE-2020-1511.md) | High | Microsoft Windows | 7.8 | 0.0080 | | | [CVE-2020-1517](https://patchblox.com/security/data/cve/CVE-2020-1517.md) | High | Microsoft Windows | 7.8 | 0.0080 | | | [CVE-2020-1521](https://patchblox.com/security/data/cve/CVE-2020-1521.md) | High | Windows AI | 7.8 | 0.0080 | | | [CVE-2020-1526](https://patchblox.com/security/data/cve/CVE-2020-1526.md) | High | Microsoft Windows | 7.8 | 0.0080 | | | [CVE-2020-1536](https://patchblox.com/security/data/cve/CVE-2020-1536.md) | High | Microsoft Windows | 7.8 | 0.0080 | | | [CVE-2020-1537](https://patchblox.com/security/data/cve/CVE-2020-1537.md) | High | Microsoft Windows | 7.8 | 0.0080 | | | [CVE-2020-1538](https://patchblox.com/security/data/cve/CVE-2020-1538.md) | High | Microsoft Windows | 7.8 | 0.0080 | | | [CVE-2020-1542](https://patchblox.com/security/data/cve/CVE-2020-1542.md) | High | Microsoft Windows | 7.8 | 0.0080 | | | [CVE-2020-1543](https://patchblox.com/security/data/cve/CVE-2020-1543.md) | High | Microsoft Windows | 7.8 | 0.0080 | | | [CVE-2020-1551](https://patchblox.com/security/data/cve/CVE-2020-1551.md) | High | Microsoft Windows | 7.8 | 0.0080 | | | [CVE-2020-1488](https://patchblox.com/security/data/cve/CVE-2020-1488.md) | High | Microsoft Windows | 7.8 | 0.0079 | | | [CVE-2020-1484](https://patchblox.com/security/data/cve/CVE-2020-1484.md) | High | Microsoft Windows | 7.8 | 0.0074 | | | [CVE-2020-1553](https://patchblox.com/security/data/cve/CVE-2020-1553.md) | High | Microsoft Windows | 7.8 | 0.0074 | | | [CVE-2020-1490](https://patchblox.com/security/data/cve/CVE-2020-1490.md) | High | Microsoft Windows | 7.0 | 0.0074 | | | [CVE-2020-1577](https://patchblox.com/security/data/cve/CVE-2020-1577.md) | Routine | Microsoft Graphics Component | 5.5 | 0.0709 | | | [CVE-2020-1510](https://patchblox.com/security/data/cve/CVE-2020-1510.md) | Routine | Microsoft Graphics Component | 5.5 | 0.0481 | | | [CVE-2020-1459](https://patchblox.com/security/data/cve/CVE-2020-1459.md) | Routine | Microsoft Windows | 5.5 | 0.0447 | | | [CVE-2020-1512](https://patchblox.com/security/data/cve/CVE-2020-1512.md) | Routine | Microsoft Windows | 5.5 | 0.0387 | | | [CVE-2020-1487](https://patchblox.com/security/data/cve/CVE-2020-1487.md) | Routine | Windows Media | 5.5 | 0.0357 | | | [CVE-2020-1569](https://patchblox.com/security/data/cve/CVE-2020-1569.md) | Routine | Microsoft Edge (HTML-based) | 4.2 | 0.0298 | | | [CVE-2020-1474](https://patchblox.com/security/data/cve/CVE-2020-1474.md) | Routine | Windows COM | 5.5 | 0.0148 | | | [CVE-2020-1383](https://patchblox.com/security/data/cve/CVE-2020-1383.md) | Routine | Microsoft Windows | 5.5 | 0.0113 | | | [CVE-2020-1485](https://patchblox.com/security/data/cve/CVE-2020-1485.md) | Routine | Microsoft Windows | 5.0 | 0.0113 | | --- 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 Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.