On April 11, 2017) Microsoft has released Security only updates and Update Rollups for Windows 7 SP1 and Windows 8.1 and for corresponding Server variants.
KB4015549 (Monthly Rollup) for Windows 7 SP1
Update KB4015549 (April 11, 2017 Security Monthly Quality Rollup for Windows 7 SP1 and Windows Server 2008 R2 SP1) contains bug fixes and improvements and addresses the following vulnerabilities:
Scripting engine, Hyper-V, libjpeg image-processing library, Adobe Type Manager Font Driver, Win32K, Microsoft Outlook, Internet Explorer, Graphics Component, Windows kernel-mode drivers and Lightweight Directory Access Protocol.
Note: This update is blocking further updates (download and install) on AMD Carrizo DDR4 processor systems.
KB4015546 (Security-only update) for Windows 7
Update KB4015546 (April 2017 Security Only Update for Windows 7 SP1 and Windows Server 2008 R2 SP1) addresses vulnerabilities mentioned above.
The update history for Windows 7 may be found at this Microsoft site.
KB4015550 (Monthly Rollup) for Windows 8.1
Update KB4015550 (April 2017 Security Monthly Quality Rollup for Windows 8.1 and Windows Server 2012 R2) bug fixes and improvements and addresses the following vulnerabilities:
- Resolves the security vulnerabilities in Hyper-V, libjpeg image-process library, Win32K, Adobe Type Manager font driver, Active Directory Federation Services, Lightweight Directory Access Protocol, Windows kernel-mode drivers, OLE, Scripting Engine, Windows Graphics component and Internet Explorer
- Addressed an issue that was causing Authentication Success and Failure events with Event ID 4768 to not be logged after installing KB4012216.
- Addressed a bug check encountered on Windows Server 2012 R2 Hyper-V hosts with error code 0xE4 after installing KB4012216.
- Addressed issue where a server may fail with STOP 0x3B error leading to data loss when Input Method Editors (IME) like keyboards are installed.
Update KB4015550 is available via Windows Update or in Microsoft Update Catalog.
Note: This update is blocking further updates (download and install) on AMD Carrizo DDR4 processor systems. I received also a notice, that update KB4015550 is causing error 0xc0000005 (Access Violation) on Microsoft Removal Tool.
KB4015547 (Security-only update) for Windows 8.1
Update KB4015547 (April 2017 Security Only for Windows 8.1 and Windows Server 2012 R2) addresses:
- Security vulnerabilities in Hyper-V, libjpeg image-process library, Win32K, Adobe Type Manager font driver, Active Directory Federation Services, Lightweight Directory Access Protocol, Windows kernel-mode drivers, OLE, Scripting Engine, Windows Graphics component and Internet Explorer
- Addressed an issue that was causing Authentication Success and Failure events with Event ID 4768 to not be logged after installing KB4012213.
- Addressed a bug check encountered on Windows Server 2012 R2 Hyper-V hosts with error code 0xE4 after installing KB4012213.
- Enabled detection of processor generation and hardware support when PC tries to scan or download updates through Windows Update.
Update KB4015547 is available via WSUS, and as Download via Microsoft Update Catalog. The package contains no IE security patch.
The update history for Windows 8.1 may be found here. Note: This update is blocking further updates (download and install) on AMD Carrizo DDR4 processor systems.
KB4015548 (Security-only update) for Windows Server 2012 Standard
Update KB4015548 (April 2017 Security Only for Windows Server 2012 Standard) has been released via WSUS and Microsoft Update Catalog.
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