Microsoft · Security update · April 11, 2017

KB4015546: April 2017 security update

KB4015546, released April 11, 2017, fixes 15 CVEs across 5 products. One of them is being exploited (CVE-2017-0199); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now1 on CISA KEVKnown ransomware useUnsupported product

CVEs closed

4 rated Critical

Exploited

CVE-2017-0199

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.9950

99th percentile

Priority of the 15 CVEs

Patch now 1
                                Urgent 4
                                High 3
                                Routine 7

Applies to

Product
Windows 7 for 32-bit Systems Service Pack 1
Windows 7 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Patch now	CVE-2017-0199	Microsoft Office	Remote Code Execution	6.7	0.9950	KEVRansomwareExploited
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-2017-0163	Windows Hyper-V	Remote Code Execution	7.6	0.0315	Exploitation Less Likely
Urgent	CVE-2017-0155	Microsoft Graphics Component	Elevation of Privilege	7.0	0.0211	More 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-2017-0156	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-2017-0191	Microsoft Windows	Denial of Service	5.8	0.0473	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-2017-0058	Windows Kernel-Mode Drivers	Information Disclosure	4.7	0.0366	Exploitation Unlikely
Routine	CVE-2017-0184	Windows Hyper-V	Denial of Service	5.4	0.0168	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/4015546

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