Microsoft · Security update · April 11, 2017

KB4015550: April 2017 security update

KB4015550, released April 11, 2017, fixes 27 CVEs across 9 products. 2 of them are being exploited (CVE-2017-0210); 2 on CISA KEV. Patch Radar priority: Patch now.

Patch now2 on CISA KEV2 publicly disclosed

CVEs closed

5 rated Critical

Exploited

CVE-2017-0210

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.4565

98th percentile

Priority of the 27 CVEs

Patch now 2
                                Urgent 6
                                High 5
                                Routine 14

Applies to

Product
Internet Explorer 11 on Windows 8.1 for 32-bit systems
Internet Explorer 11 on Windows 8.1 for x64-based systems
Internet Explorer 11 on Windows RT 8.1
Internet Explorer 11 on Windows Server 2012 R2
Windows 8.1 for 32-bit systems
Windows 8.1 for x64-based systems
Windows RT 8.1
Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Patch now	CVE-2017-0210	Internet Explorer	Elevation of Privilege	3.5	0.2233	KEVDisclosedExploited
Patch now	CVE-2016-0162	Internet Explorer	Information Disclosure	n/a	0.2193	KEVExploited
Urgent	CVE-2017-0202	Internet Explorer	Remote Code Execution	6.0	0.4565	More likely
Urgent	CVE-2017-0211	Microsoft Windows	Elevation of Privilege	5.0	0.1409	More likely
Urgent	CVE-2017-0158	Microsoft Scripting Engine	Remote Code Execution	7.5	0.1279	More likely
Urgent	CVE-2017-0180	Windows Hyper-V	Remote Code Execution	7.6	0.0330	Exploitation Less Likely
Urgent	CVE-2017-0162	Windows Hyper-V	Remote Code Execution	7.6	0.0315	Exploitation Less Likely
Urgent	CVE-2017-0163	Windows Hyper-V	Remote Code Execution	7.6	0.0315	Exploitation Less Likely
High	CVE-2017-0166	Group Policy	Elevation of Privilege	8.1	0.0642	Exploitation Less Likely
High	CVE-2017-0168	Windows Hyper-V	Information Disclosure	7.7	0.0556	N/A
High	CVE-2017-0167	Windows Kernel-Mode Drivers	Information Disclosure	7.3	0.0554	DisclosedExploitation Less Likely
High	CVE-2017-0169	Windows Hyper-V	Information Disclosure	7.3	0.0156	Exploitation Unlikely
High	CVE-2017-0156	Microsoft Graphics Component	Elevation of Privilege	7.0	0.0114	Exploitation Unlikely
Routine	CVE-2013-6629	Microsoft Graphics Component	Information Disclosure	4.7	0.0973	Exploitation Unlikely
Routine	CVE-2017-0192	Microsoft Graphics Component	Information Disclosure	4.4	0.0603	Exploitation Less Likely
Routine	CVE-2017-0185	Windows Hyper-V	Denial of Service	5.8	0.0567	Exploitation Unlikely
Routine	CVE-2017-0191	Microsoft Windows	Denial of Service	5.8	0.0473	Exploitation Unlikely
Routine	CVE-2017-0186	Windows Hyper-V	Denial of Service	5.8	0.0456	Exploitation Unlikely
Routine	CVE-2017-0182	Windows Hyper-V	Denial of Service	5.8	0.0441	Exploitation Unlikely
Routine	CVE-2017-0183	Windows Hyper-V	Denial of Service	5.8	0.0441	Exploitation Unlikely
Routine	CVE-2017-0179	Windows Hyper-V	Denial of Service	5.8	0.0429	Exploitation Unlikely
Routine	CVE-2017-0058	Windows Kernel-Mode Drivers	Information Disclosure	4.7	0.0366	Exploitation Unlikely
Routine	CVE-2017-0159	Windows Hyper-V	Security Feature Bypass	3.7	0.0365	Exploitation Unlikely
Routine	CVE-2017-0165	Microsoft Windows	Elevation of Privilege	6.6	0.0334	Exploitation Less Likely
Routine	CVE-2017-0188	Windows Kernel-Mode Drivers	Information Disclosure	4.4	0.0298	None reported

Released the same day

KB2589382
Microsoft OneNote 2010 Service Pack 2 (32-bit editions), Microsoft OneNote 2010 Service Pack 2 (64-bit editions)
KB3101522
Microsoft Excel Web App 2010 Service Pack 2
KB3118388
Microsoft Outlook 2010 Service Pack 2 (32-bit editions), Microsoft Outlook 2010 Service Pack 2 (64-bit editions)
KB3127890
Microsoft Outlook 2007 Service Pack 3
KB3127895
Office Online Server
KB3172519
Microsoft Outlook 2013 Service Pack 1 (32-bit editions), Microsoft Outlook 2013 Service Pack 1 (64-bit editions)
KB3178664
Microsoft Outlook 2016 (32-bit edition), Microsoft Outlook 2016 (64-bit edition)
KB3178724
Excel Services on Microsoft SharePoint Server 2013 Service Pack 1
KB3178725
Microsoft Office Web Apps Server 2013 Service Pack 1
KB3191827
Microsoft Excel 2007 Service Pack 3
KB3191829
Microsoft OneNote 2007 Service Pack 3
KB3191830
Microsoft Office Compatibility Pack Service Pack 2

Vendor advisory

https://support.microsoft.com/help/4015550

For tools and AI agents

This page as data: JSON · Markdown

Which machines still need it?

Patchblox reads the OS build on every Windows machine, from Intune, ConfigMgr or its own agent, and shows which ones are still below the fixed build.

Get a 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.