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Microsoft May 2020 Security Updates
Release Notes
May 2020 Security Updates
Release Date: May 12, 2020
The May 2020 security release consists of security updates for the following software:
- Microsoft Windows
- Microsoft Edge (EdgeHTML-based)
- Microsoft Edge (Chromium-based)
- ChakraCore
- Internet Explorer
- Microsoft Office and Microsoft Office Services and Web Apps
- Windows Defender
- Visual Studio
- Microsoft Dynamics
- .NET Framework
- .NET Core
- Power BI
Please note the following information regarding the security updates:
- For information regarding enabling Windows 10, version 1909 features, please see Windows 10, version 1909 delivery options. Note that Windows 10, versions 1903 and 1909 share a common core operating system with an identical set of system files. They will also share the same security update KBs.
- Windows 10 updates are cumulative. The monthly security release includes all security fixes for vulnerabilities that affect Windows 10, in addition to non-security updates. The updates are available via the Microsoft Update Catalog.
- For information on lifecycle and support dates for Windows 10 operating systems, please see Windows Lifecycle Facts Sheet.
- A list of the latest servicing stack updates for each operating system can be found in ADV990001. This list will be updated whenever a new servicing stack update is released. It is important to install the latest servicing stack update.
- Updates for Windows RT 8.1 and Microsoft Office RT software are only available via Windows Update.
- In addition to security changes for the vulnerabilities, updates include defense-in-depth updates to help improve security-related features.
- Customers running Windows 7, Windows Server 2008 R2, or Windows Server 2008 need to purchase the Extended Security Update to continue receiving security updates. See 4522133 for more information.
The following CVEs have FAQs with additional information and may include * further steps to take after installing the updates. Please note that this is not a complete list of CVEs for this release.
- CVE-2020-0901
- CVE-2020-0963
- CVE-2020-1072
- CVE-2020-1075
- CVE-2020-1103
- CVE-2020-1116
- CVE-2020-1141
- CVE-2020-1145
- CVE-2020-1173
- CVE-2020-1179
Known Issues
The following KBs contain information about known issues with the security updates. For a complete list of security update KBs, please see 20200512. For more information about Windows Known Issues, please see Windows message center (links to currently-supported versions of Windows are in the left pane).
KB Article Applies To
4551853 Windows 10 Version 1809, Windows Server 2019
4556813 Windows 10, version 1607, Windows Server 2016
4556836 Windows 7, Windows Server 2008 R2 (Monthly Rollup)
4556843 Windows 7, Windows Server 2008 R2 (Security-only update)
4556854 Windows Server 2008 Service Pack 2 (Security-only update)
4556860 Windows Server 2008 Service Pack 2 (Monthly Rollup)
https://portal.msrc.microsoft.com/en...etail/2020-May
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