Microsoft · Security update · May 8, 2018

KB4103723: May 2018 cumulative update for Windows 10 1607

KB4103723, released May 8, 2018, fixes 37 CVEs across 18 products. 2 of them are being exploited (CVE-2018-8174); 2 on CISA KEV. Patch Radar priority: Patch now.

Patch now2 on CISA KEVKnown ransomware use

CVEs closed

12 rated Critical

Exploited

CVE-2018-8174

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.8824

99th percentile

Priority of the 37 CVEs

Patch now 2
                                Urgent 22
                                High 5
                                Routine 8

Applies to

Product	Build after install
Internet Explorer 11 on Windows 10 Version 1607 for 32-bit Systems	14393.2248
Internet Explorer 11 on Windows 10 Version 1607 for x64-based Systems	14393.2248
Internet Explorer 11 on Windows Server 2016	14393.2248
Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for 32-bit Systems	14393.2248
Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for x64-based Systems	14393.2248
Microsoft .NET Framework 3.5 on Windows Server 2016	14393.2248
Microsoft .NET Framework 3.5 on Windows Server 2016 (Server Core installation)	14393.2248
Microsoft .NET Framework 4.6.2/4.7/4.7.1 on Windows 10 Version 1607 for 32-bit Systems	14393.2248
Microsoft .NET Framework 4.6.2/4.7/4.7.1 on Windows 10 Version 1607 for x64-based Systems	14393.2248
Microsoft .NET Framework 4.6.2/4.7/4.7.1 on Windows Server 2016	14393.2248
Microsoft .NET Framework 4.6.2/4.7/4.7.1 on Windows Server 2016 (Server Core installation)	14393.2248
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for 32-bit Systems	14393.2248
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for x64-based Systems	14393.2248
Microsoft Edge (EdgeHTML-based) on Windows Server 2016	14393.2248
Windows 10 Version 1607 for 32-bit Systems	14393.2248
Windows 10 Version 1607 for x64-based Systems	14393.2248
Windows Server 2016	14393.2248
Windows Server 2016 (Server Core installation)	14393.2248

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Patch now	CVE-2018-8174	Microsoft Windows	Remote Code Execution	7.5	0.8824	KEVRansomwareExploited
Patch now	CVE-2018-0824	Windows COM	Remote Code Execution	7.5	0.7304	KEVExploited
Urgent	CVE-2018-0953	Microsoft Scripting Engine		4.2	0.6631	More likely
Urgent	CVE-2018-8133	Microsoft Scripting Engine	Remote Code Execution	4.2	0.5021	More likely
Urgent	CVE-2018-0943	Microsoft Scripting Engine	Remote Code Execution	4.2	0.1575	More likely
Urgent	CVE-2018-0951	Microsoft Scripting Engine	Remote Code Execution	4.2	0.1575	More likely
Urgent	CVE-2018-8137	Microsoft Scripting Engine	Remote Code Execution	4.2	0.1575	More likely
Urgent	CVE-2018-8114	Microsoft Scripting Engine	Remote Code Execution	7.5	0.1567	More likely
Urgent	CVE-2018-8122	Microsoft Scripting Engine	Remote Code Execution	7.5	0.1567	More likely
Urgent	CVE-2018-0955	Microsoft Scripting Engine	Remote Code Execution	6.4	0.1567	More likely
Urgent	CVE-2018-0954	Microsoft Scripting Engine	Remote Code Execution	4.2	0.1546	More likely
Urgent	CVE-2018-1022	Microsoft Scripting Engine	Remote Code Execution	4.2	0.1546	More likely
Urgent	CVE-2018-8178	Microsoft Browsers	Remote Code Execution	4.2	0.1546	More likely
Urgent	CVE-2018-8179	Microsoft Edge	Remote Code Execution	4.2	0.1400	More likely
Urgent	CVE-2018-0959	Windows Hyper-V	Remote Code Execution	7.6	0.0980	Exploitation Less Likely
Urgent	CVE-2018-1025	Microsoft Browsers	Information Disclosure	4.3	0.0608	More likely
Urgent	CVE-2018-0961	Windows Hyper-V	Remote Code Execution	7.6	0.0310	Exploitation Less Likely
Urgent	CVE-2018-8134	Windows Kernel	Elevation of Privilege	7.0	0.0293	More likely
Urgent	CVE-2018-8127	Windows Kernel	Information Disclosure	4.7	0.0290	More likely
Urgent	CVE-2018-8112	Microsoft Edge	Security Feature Bypass	4.3	0.0277	More likely
Urgent	CVE-2018-8164	Microsoft Graphics Component	Elevation of Privilege	7.0	0.0146	More likely
Urgent	CVE-2018-8165	Microsoft Graphics Component	Elevation of Privilege	7.0	0.0133	More likely
Urgent	CVE-2018-8124	Microsoft Graphics Component	Elevation of Privilege	7.0	0.0120	More likely
Urgent	CVE-2018-8167	Common Log File System Driver	Elevation of Privilege	7.0	0.0102	More likely
High	CVE-2018-0886	Microsoft Windows	Remote Code Execution	7.1	0.8197	Exploitation Less Likely

Released the same day

KB2899590
Microsoft Office 2010 Service Pack 2 (32-bit editions), Microsoft Office 2010 Service Pack 2 (64-bit editions)
KB3114889
Microsoft Project Server 2010 Service Pack 2
KB3162075
Microsoft Infopath 2013 Service Pack 1 (32-bit edition), Microsoft Infopath 2013 Service Pack 1 (64-bit edition)
KB3172436
Microsoft Office 2013 RT Service Pack 1, Microsoft Office 2013 Service Pack 1 (32-bit editions), Microsoft Office 2013 Service Pack 1 (64-bit editions)
KB4018308
Microsoft Office Compatibility Pack Service Pack 3
KB4018327
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)
KB4018381
Microsoft SharePoint Enterprise Server 2016
KB4018382
Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition)
KB4018383
Microsoft Word 2016 (32-bit edition), Microsoft Word 2016 (64-bit edition)
KB4018388
Word Automation Services on Microsoft SharePoint Server 2013 Service Pack 1
KB4018390
Microsoft SharePoint Enterprise Server 2013 Service Pack 1
KB4018393
Microsoft Office Web Apps Server 2013 Service Pack 1

Vendor advisory

https://support.microsoft.com/help/4103723

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