Microsoft · Security update · April 11, 2017

KB4015547: April 2017 security update

KB4015547, released April 11, 2017, fixes 24 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent1 publicly disclosed

CVEs closed

4 rated Critical

Exploited

None reported

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.1409

96th percentile

Priority of the 24 CVEs

Patch now 0
                                Urgent 5
                                High 5
                                Routine 14

Applies to

Product
Windows 8.1 for 32-bit systems
Windows 8.1 for x64-based systems
Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
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
Routine	CVE-2017-0184	Windows Hyper-V	Denial of Service	5.4	0.0168	Exploitation Unlikely
Routine	CVE-2017-0178	Windows Hyper-V	Denial of Service	5.4	0.0163	Exploitation Unlikely

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/4015547

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