# KB4549949: April 2020 cumulative update for Windows 10 1809 KB4549949, released April 14, 2020, fixes 69 CVEs across 13 products. 4 of them are being exploited (CVE-2020-0938); 4 on CISA KEV. Patch Radar priority: Patch now. - Web page: https://patchblox.com/security/fix/microsoft/kb4549949 - Platform: Microsoft - Released: Apr 14, 2020 - Priority: Patch now (Closes CVE-2020-0938, exploited (CISA KEV)) - CVEs: 69, exploited: 4, on CISA KEV: 4 - Vendor advisory: https://support.microsoft.com/help/4549949 ## 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) | | 17763.1158 | | [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) | | 17763.1158 | | [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) | | 17763.1158 | | [Internet Explorer 11 on Windows Server 2019](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-server-2019.md) | | 17763.1158 | | [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) | | 17763.1158 | | [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) | | 17763.1158 | | [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) | | 17763.1158 | | [Microsoft Edge (EdgeHTML-based) on Windows Server 2019](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-server-2019.md) | | 17763.1158 | | [Windows 10 Version 1809 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1809-for-32-bit-systems.md) | | 17763.1158 | | [Windows 10 Version 1809 for ARM64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1809-for-arm64-based-systems.md) | | 17763.1158 | | [Windows 10 Version 1809 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1809-for-x64-based-systems.md) | | 17763.1158 | | [Windows Server 2019](https://patchblox.com/security/data/product/microsoft/windows-server-2019.md) | | 17763.1158 | | [Windows Server 2019 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2019-server-core-installation.md) | | 17763.1158 | ## CVEs this fix closes | CVE | Priority | Component | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2020-0938](https://patchblox.com/security/data/cve/CVE-2020-0938.md) | Patch now | Microsoft Graphics Component | 7.8 | 0.6895 | CISA KEV | | [CVE-2020-1020](https://patchblox.com/security/data/cve/CVE-2020-1020.md) | Patch now | Microsoft Graphics Component | 7.8 | 0.6504 | CISA KEV, Disclosed | | [CVE-2020-0968](https://patchblox.com/security/data/cve/CVE-2020-0968.md) | Patch now | Microsoft Scripting Engine | 6.4 | 0.3068 | CISA KEV, Ransomware | | [CVE-2020-1027](https://patchblox.com/security/data/cve/CVE-2020-1027.md) | Patch now | Windows Kernel | 7.8 | 0.0472 | CISA KEV | | [CVE-2020-0687](https://patchblox.com/security/data/cve/CVE-2020-0687.md) | Urgent | Microsoft Graphics Component | 8.8 | 0.1923 | | | [CVE-2020-0969](https://patchblox.com/security/data/cve/CVE-2020-0969.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.1330 | | | [CVE-2020-0970](https://patchblox.com/security/data/cve/CVE-2020-0970.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.1330 | | | [CVE-2020-0907](https://patchblox.com/security/data/cve/CVE-2020-0907.md) | Urgent | Microsoft Graphics Component | 7.8 | 0.1197 | | | [CVE-2020-0910](https://patchblox.com/security/data/cve/CVE-2020-0910.md) | Urgent | Windows Hyper-V | 8.4 | 0.0925 | | | [CVE-2020-0948](https://patchblox.com/security/data/cve/CVE-2020-0948.md) | Urgent | Windows Media | 7.8 | 0.0516 | | | [CVE-2020-0949](https://patchblox.com/security/data/cve/CVE-2020-0949.md) | Urgent | Windows Media | 7.8 | 0.0516 | | | [CVE-2020-0950](https://patchblox.com/security/data/cve/CVE-2020-0950.md) | Urgent | Windows Media | 7.8 | 0.0516 | | | [CVE-2020-0965](https://patchblox.com/security/data/cve/CVE-2020-0965.md) | Urgent | Microsoft Windows | 7.8 | 0.0211 | | | [CVE-2020-0784](https://patchblox.com/security/data/cve/CVE-2020-0784.md) | Urgent | Microsoft Graphics Component | 7.8 | 0.0096 | More likely | | [CVE-2020-1004](https://patchblox.com/security/data/cve/CVE-2020-1004.md) | Urgent | Microsoft Graphics Component | 7.8 | 0.0091 | More likely | | [CVE-2020-0956](https://patchblox.com/security/data/cve/CVE-2020-0956.md) | Urgent | Windows Kernel | 7.0 | 0.0091 | More likely | | [CVE-2020-0958](https://patchblox.com/security/data/cve/CVE-2020-0958.md) | Urgent | Microsoft Graphics Component | 7.0 | 0.0091 | More likely | | [CVE-2020-0964](https://patchblox.com/security/data/cve/CVE-2020-0964.md) | High | Microsoft Graphics Component | 8.0 | 0.1852 | | | [CVE-2020-0995](https://patchblox.com/security/data/cve/CVE-2020-0995.md) | High | Microsoft JET Database Engine | 7.0 | 0.1783 | | | [CVE-2020-0953](https://patchblox.com/security/data/cve/CVE-2020-0953.md) | High | Microsoft JET Database Engine | 7.8 | 0.1197 | | | [CVE-2020-0988](https://patchblox.com/security/data/cve/CVE-2020-0988.md) | High | Microsoft JET Database Engine | 7.0 | 0.1197 | | | [CVE-2020-0992](https://patchblox.com/security/data/cve/CVE-2020-0992.md) | High | Microsoft JET Database Engine | 7.0 | 0.1197 | | | [CVE-2020-0994](https://patchblox.com/security/data/cve/CVE-2020-0994.md) | High | Microsoft JET Database Engine | 7.0 | 0.1197 | | | [CVE-2020-0999](https://patchblox.com/security/data/cve/CVE-2020-0999.md) | High | Microsoft JET Database Engine | 7.0 | 0.1197 | | | [CVE-2020-1008](https://patchblox.com/security/data/cve/CVE-2020-1008.md) | High | Microsoft JET Database Engine | 7.0 | 0.1197 | | | [CVE-2020-0966](https://patchblox.com/security/data/cve/CVE-2020-0966.md) | High | Microsoft Scripting Engine | 7.5 | 0.1167 | | | [CVE-2020-0967](https://patchblox.com/security/data/cve/CVE-2020-0967.md) | High | Microsoft Scripting Engine | 7.5 | 0.1167 | | | [CVE-2020-1015](https://patchblox.com/security/data/cve/CVE-2020-1015.md) | High | Windows Kernel | 7.8 | 0.0261 | | | [CVE-2020-0917](https://patchblox.com/security/data/cve/CVE-2020-0917.md) | High | Windows Hyper-V | 8.4 | 0.0160 | | | [CVE-2020-0794](https://patchblox.com/security/data/cve/CVE-2020-0794.md) | High | Microsoft Windows | 7.1 | 0.0136 | | | [CVE-2020-0918](https://patchblox.com/security/data/cve/CVE-2020-0918.md) | High | Windows Hyper-V | 8.4 | 0.0128 | | | [CVE-2020-0983](https://patchblox.com/security/data/cve/CVE-2020-0983.md) | High | Windows Update Stack | 7.8 | 0.0106 | | | [CVE-2020-1009](https://patchblox.com/security/data/cve/CVE-2020-1009.md) | High | Microsoft Windows | 7.8 | 0.0104 | | | [CVE-2020-1011](https://patchblox.com/security/data/cve/CVE-2020-1011.md) | High | Microsoft Windows | 7.8 | 0.0104 | | | [CVE-2020-1029](https://patchblox.com/security/data/cve/CVE-2020-1029.md) | High | Microsoft Windows | 7.8 | 0.0102 | | | [CVE-2020-0934](https://patchblox.com/security/data/cve/CVE-2020-0934.md) | High | Microsoft Windows | 7.8 | 0.0101 | | | [CVE-2020-0985](https://patchblox.com/security/data/cve/CVE-2020-0985.md) | High | Windows Update Stack | 7.8 | 0.0095 | | | [CVE-2020-1000](https://patchblox.com/security/data/cve/CVE-2020-1000.md) | High | Windows Kernel | 7.8 | 0.0095 | | | [CVE-2020-1001](https://patchblox.com/security/data/cve/CVE-2020-1001.md) | High | Microsoft Windows | 7.8 | 0.0095 | | | [CVE-2020-0888](https://patchblox.com/security/data/cve/CVE-2020-0888.md) | High | Windows Kernel | 7.8 | 0.0091 | | | [CVE-2020-0913](https://patchblox.com/security/data/cve/CVE-2020-0913.md) | High | Windows Kernel | 7.8 | 0.0091 | | | [CVE-2020-0996](https://patchblox.com/security/data/cve/CVE-2020-0996.md) | High | Windows Update Stack | 7.8 | 0.0091 | | | [CVE-2020-1003](https://patchblox.com/security/data/cve/CVE-2020-1003.md) | High | Windows Kernel | 7.8 | 0.0091 | | | [CVE-2020-1006](https://patchblox.com/security/data/cve/CVE-2020-1006.md) | High | Microsoft Windows | 7.8 | 0.0091 | | | [CVE-2020-1094](https://patchblox.com/security/data/cve/CVE-2020-1094.md) | High | Microsoft Windows | 7.8 | 0.0091 | | | [CVE-2020-0940](https://patchblox.com/security/data/cve/CVE-2020-0940.md) | High | Microsoft Windows | 7.0 | 0.0091 | | | [CVE-2020-1017](https://patchblox.com/security/data/cve/CVE-2020-1017.md) | High | Microsoft Windows | 7.0 | 0.0091 | | | [CVE-2020-1014](https://patchblox.com/security/data/cve/CVE-2020-1014.md) | High | Windows Update Stack | 7.8 | 0.0087 | | | [CVE-2020-0944](https://patchblox.com/security/data/cve/CVE-2020-0944.md) | High | Microsoft Windows | 7.8 | 0.0079 | | | [CVE-2020-0936](https://patchblox.com/security/data/cve/CVE-2020-0936.md) | High | Windows Kernel | 7.1 | 0.0079 | | | [CVE-2020-0889](https://patchblox.com/security/data/cve/CVE-2020-0889.md) | Routine | Microsoft JET Database Engine | 6.7 | 0.1197 | | | [CVE-2020-0959](https://patchblox.com/security/data/cve/CVE-2020-0959.md) | Routine | Microsoft JET Database Engine | 6.7 | 0.1197 | | | [CVE-2020-0960](https://patchblox.com/security/data/cve/CVE-2020-0960.md) | Routine | Microsoft JET Database Engine | 6.7 | 0.1197 | | | [CVE-2020-0895](https://patchblox.com/security/data/cve/CVE-2020-0895.md) | Routine | Microsoft Scripting Engine | 6.4 | 0.0794 | | | [CVE-2020-0937](https://patchblox.com/security/data/cve/CVE-2020-0937.md) | Routine | Windows Media | 5.5 | 0.0665 | | | [CVE-2020-0945](https://patchblox.com/security/data/cve/CVE-2020-0945.md) | Routine | Windows Media | 5.5 | 0.0665 | | | [CVE-2020-0946](https://patchblox.com/security/data/cve/CVE-2020-0946.md) | Routine | Windows Media | 5.5 | 0.0665 | | | [CVE-2020-0952](https://patchblox.com/security/data/cve/CVE-2020-0952.md) | Routine | Microsoft Graphics Component | 5.5 | 0.0591 | | | [CVE-2020-0993](https://patchblox.com/security/data/cve/CVE-2020-0993.md) | Routine | Microsoft Windows DNS | 6.5 | 0.0524 | | | [CVE-2020-0987](https://patchblox.com/security/data/cve/CVE-2020-0987.md) | Routine | Microsoft Graphics Component | 5.5 | 0.0169 | | | [CVE-2020-0955](https://patchblox.com/security/data/cve/CVE-2020-0955.md) | Routine | Windows Kernel | 5.5 | 0.0152 | | | [CVE-2020-0699](https://patchblox.com/security/data/cve/CVE-2020-0699.md) | Routine | Windows Kernel | 4.7 | 0.0152 | | | [CVE-2020-0962](https://patchblox.com/security/data/cve/CVE-2020-0962.md) | Routine | Windows Kernel | 4.7 | 0.0152 | | | [CVE-2020-0821](https://patchblox.com/security/data/cve/CVE-2020-0821.md) | Routine | Windows Kernel | 5.5 | 0.0149 | | | [CVE-2020-0982](https://patchblox.com/security/data/cve/CVE-2020-0982.md) | Routine | Microsoft Graphics Component | 5.5 | 0.0136 | | | [CVE-2020-1005](https://patchblox.com/security/data/cve/CVE-2020-1005.md) | Routine | Microsoft Graphics Component | 5.5 | 0.0136 | | | [CVE-2020-1016](https://patchblox.com/security/data/cve/CVE-2020-1016.md) | Routine | Microsoft Windows | 5.5 | 0.0136 | | | [CVE-2020-1007](https://patchblox.com/security/data/cve/CVE-2020-1007.md) | Routine | Windows Kernel | 5.5 | 0.0132 | | | [CVE-2020-0942](https://patchblox.com/security/data/cve/CVE-2020-0942.md) | Routine | Microsoft Windows | 6.3 | 0.0079 | | --- Data as of 2026-11-07T12:40:37Z UTC. 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