Microsoft · Security update · May 9, 2017

KB4016871: May 2017 cumulative update for Windows 10 1703

KB4016871, released May 9, 2017, fixes 39 CVEs across 10 products. 2 of them are being exploited (CVE-2017-0222); 2 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now2 on CISA KEV4 publicly disclosedUnsupported product

CVEs closed

12 rated Critical

Exploited

CVE-2017-0222

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.3812

98th percentile

Priority of the 39 CVEs

Patch now 2
                                Urgent 20
                                High 12
                                Routine 5

Applies to

Product
Internet Explorer 11 on Windows 10 Version 1703 for 32-bit Systems
Internet Explorer 11 on Windows 10 Version 1703 for x64-based Systems
Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for 32-bit Systems
Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for x64-based Systems
Microsoft .NET Framework 4.7 on Windows 10 Version 1703 for 32-bit Systems
Microsoft .NET Framework 4.7 on Windows 10 Version 1703 for x64-based Systems
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for 32-bit Systems
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for x64-based Systems
Windows 10 Version 1703 for 32-bit Systems
Windows 10 Version 1703 for x64-based Systems

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Patch now	CVE-2017-0222	Internet Explorer	Remote Code Execution	6.0	0.2965	KEVExploited
Patch now	CVE-2017-0263	Windows Kernel-Mode Drivers	Elevation of Privilege	7.8	0.1003	KEVExploited
Urgent	CVE-2017-0234	Microsoft Scripting Engine	Remote Code Execution	4.2	0.3812	More likely
Urgent	CVE-2017-0266	Microsoft Edge	Remote Code Execution	4.2	0.3582	More likely
Urgent	CVE-2017-0236	Microsoft Scripting Engine	Remote Code Execution	4.2	0.3158	More likely
Urgent	CVE-2017-0238	Microsoft Scripting Engine	Remote Code Execution	4.2	0.1807	More likely
Urgent	CVE-2017-0272	Windows SMB Server	Remote Code Execution	8.1	0.1712	Exploitation Less Likely
Urgent	CVE-2017-0240	Microsoft Edge	Remote Code Execution	4.2	0.1473	More likely
Urgent	CVE-2017-0223	Microsoft Scripting Engine	Remote Code Execution	4.2	0.1468	More likely
Urgent	CVE-2017-0227	Microsoft Edge	Remote Code Execution	4.2	0.1379	More likely
Urgent	CVE-2017-0224	Microsoft Edge	Remote Code Execution	4.2	0.1144	More likely
Urgent	CVE-2017-0235	Microsoft Scripting Engine	Remote Code Execution	4.2	0.1106	More likely
Urgent	CVE-2017-0277	Windows SMB Server	Remote Code Execution	7.0	0.1085	Exploitation Less Likely
Urgent	CVE-2017-0278	Windows SMB Server	Remote Code Execution	7.0	0.1085	Exploitation Less Likely
Urgent	CVE-2017-0279	Windows SMB Server	Remote Code Execution	7.0	0.1085	Exploitation Less Likely
Urgent	CVE-2017-0229	Microsoft Scripting Engine	Remote Code Execution	4.2	0.1070	DisclosedExploitation Unlikely
Urgent	CVE-2017-0230	Microsoft Scripting Engine	Remote Code Execution	4.2	0.1070	More likely
Urgent	CVE-2017-0226	Internet Explorer	Remote Code Execution	7.5	0.0982	More likely
Urgent	CVE-2017-0214	Windows COM	Elevation of Privilege	6.7	0.0346	More likely
Urgent	CVE-2017-0233	Microsoft Edge	Elevation of Privilege	4.2	0.0308	More likely
Urgent	CVE-2017-0241	Microsoft Edge	Elevation of Privilege	3.1	0.0287	DisclosedMore likely
Urgent	CVE-2017-0077	Microsoft Graphics Component	Denial of Service	4.7	0.0154	More likely
High	CVE-2017-0271	Windows SMB Server	Information Disclosure	7.0	0.1327	Exploitation Less Likely
High	CVE-2017-0267	Windows SMB Server	Information Disclosure	7.0	0.1268	Exploitation Less Likely
High	CVE-2017-0275	Windows SMB Server	Information Disclosure	7.0	0.0761	Exploitation Less Likely

Released the same day

KB2596904
Microsoft Office 2007 Service Pack 3
KB3162040
Word Automation Services on Microsoft SharePoint Server 2013 Service Pack 1
KB3178729
Microsoft Word 2013 RT Service Pack 1, Microsoft Word 2013 Service Pack 1 (32-bit editions), Microsoft Word 2013 Service Pack 1 (64-bit editions)
KB3191835
Microsoft Office Compatibility Pack Service Pack 3
KB3191836
Microsoft Word 2007 Service Pack 3
KB3191839
Microsoft SharePoint Server 2010 Service Pack 2, Word Automation Services on Microsoft SharePoint Server 2010 Service Pack 2
KB3191841
Microsoft Office 2010 Service Pack 2 (32-bit editions), Microsoft Office 2010 Service Pack 2 (64-bit editions), Microsoft Word 2010 Service Pack 2 (32-bit editions) and 1 more
KB3191843
Microsoft Word 2010 Service Pack 2 (32-bit editions), Microsoft Word 2010 Service Pack 2 (64-bit editions)
KB3191858
Skype for Business 2016 (32-bit), Skype for Business 2016 (64-bit)
KB3191863
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)
KB3191865
Microsoft Word 2016 (32-bit edition), Microsoft Word 2016 (64-bit edition)
KB3191880
Microsoft SharePoint Enterprise Server 2016

Vendor advisory

https://support.microsoft.com/help/4016871

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