Microsoft has released the April 2019 Security Updates
The April security release consists of security updates for the following software:
Adobe Flash Player
Internet Explorer
Microsoft Edge
Microsoft Windows
Microsoft Office and Microsoft Office Services and Web Apps
ChakraCore
ASP.NET
Microsoft Exchange Server
Team Foundation Server
Azure DevOps Server
Open Enclave SDK
Windows Admin Center
Please note the following information regarding the security updates:
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.
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.
Updates for Windows RT 8.1 and Microsoft Office RT software are only available via Windows Update.
For information on lifecycle and support dates for Windows 10 operating systems, please see Windows Lifecycle Facts Sheet.
In addition to security changes for the vulnerabilities, updates include defense-in-depth updates to help improve security-related features.
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.
ADV190011
ADV990001
CVE-2019-0688
CVE-2019-0801
CVE-2019-0802
CVE-2019-0814
CVE-2019-0822
CVE-2019-0823
CVE-2019-0824
CVE-2019-0825
CVE-2019-0826
CVE-2019-0827
CVE-2019-0828
CVE-2019-0830
CVE-2019-0831
CVE-2019-0833
CVE-2019-0835
CVE-2019-0837
CVE-2019-0838
CVE-2019-0839
CVE-2019-0840
CVE-2019-0844
CVE-2019-0845
CVE-2019-0846
CVE-2019-0847
CVE-2019-0848
CVE-2019-0849
CVE-2019-0851
CVE-2019-0876
CVE-2019-0879
Known Issues
KB Article Applies To
4487563 Microsoft Exchange Server 2019, 2016, and 2013
4491413 Update Rollup 27 for Exchange Server 2010 Service Pack 3
4493441 Windows 10 version 1709, Windows Server Version 1709
4493446 Windows 8.1, Windows Server 2012 R2 (Monthly Rollup)
4493448 Windows 7 Service Pack 1, Windows Server 2008 R2 Service Pack 1 (Security-only update)
4493450 Windows Server 2012 (Security-only Rollup)
4493451 Windows Server 2012 (Monthly Rollup)
4493458 Windows Server 2008 Service Pack 2 (Security-only update)
4493464 Windows 10 version 1803, Windows Server Version 1803
4493467 Windows 8.1, Windows Server 2012 R2 (Security-only update)
4493470 Windows 10 version 1607, Windows Server 2016
4493471 Windows Server 2008 Service Pack 2 (Monthly Rollup)
4493472 Windows 7 Service Pack 1, Windows Server 2008 R2 Service Pack 1 (Monthly Rollup)
4493474 Windows 10 version 1703
4493509 Windows 10 version 1809, Windows Server 2019
4493730 Windows Server 2008 SP2
4493435 Internet Explorer Cumulative Update
