Microsoft · Security update · August 14, 2018

KB4343901: August 2018 security update

KB4343901, released August 14, 2018, fixes 18 CVEs across 3 products. One of them is being exploited (CVE-2018-8373); 1 on CISA KEV. Patch Radar priority: Patch now.

Patch now1 on CISA KEV1 publicly disclosed

CVEs closed

3 rated Critical

Exploited

CVE-2018-8373

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.6734

99th percentile

Priority of the 18 CVEs

Patch now 1
                                Urgent 8
                                High 3
                                Routine 6

Applies to

Product
Internet Explorer 10 on Windows Server 2012
Windows Server 2012
Windows Server 2012 (Server Core installation)

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Patch now	CVE-2018-8373	Microsoft Scripting Engine	Remote Code Execution	6.4	0.6177	KEVDisclosedExploited
Urgent	CVE-2018-8353	Microsoft Scripting Engine	Remote Code Execution	6.4	0.6734	More likely
Urgent	CVE-2018-8389	Microsoft Scripting Engine	Remote Code Execution	6.4	0.3035	More likely
Urgent	CVE-2018-8344	Microsoft Graphics Component	Remote Code Execution	7.8	0.2298	More likely
Urgent	CVE-2018-8371	Microsoft Scripting Engine	Remote Code Execution	6.4	0.1538	More likely
Urgent	CVE-2018-8385	Microsoft Scripting Engine	Remote Code Execution	7.5	0.1517	More likely
Urgent	CVE-2018-8345	Microsoft Windows	Remote Code Execution	7.5	0.1490	More likely
Urgent	CVE-2018-8403	Microsoft Browsers	Remote Code Execution	4.2	0.1337	More likely
Urgent	CVE-2018-8404	Windows Kernel	Elevation of Privilege	7.0	0.0122	More likely
High	CVE-2018-8349	Windows COM	Remote Code Execution	7.0	0.2340	Exploitation Less Likely
High	CVE-2018-8343	Windows NDIS	Elevation of Privilege	7.0	0.0129	Exploitation Less Likely
High	CVE-2018-8339	Windows Installer	Elevation of Privilege	7.4	0.0116	Exploitation Less Likely
Routine	CVE-2018-8316	Internet Explorer	Remote Code Execution	6.4	0.1450	Exploitation Less Likely
Routine	CVE-2018-8394	Microsoft Graphics Component	Information Disclosure	4.7	0.0851	Exploitation Less Likely
Routine	CVE-2018-8398	Microsoft Graphics Component	Information Disclosure	4.7	0.0851	Exploitation Less Likely
Routine	CVE-2018-8351	Microsoft Browsers	Information Disclosure	4.2	0.0839	Exploitation Less Likely
Routine	CVE-2018-8341	Windows Kernel	Information Disclosure	4.7	0.0285	Exploitation Less Likely
Routine	CVE-2018-8348	Windows Kernel	Information Disclosure	4.7	0.0235	Exploitation Less Likely

Released the same day

KB3213636
Microsoft Office 2010 Service Pack 2 (32-bit editions), Microsoft Office 2010 Service Pack 2 (64-bit editions)
KB4018310
Microsoft PowerPoint 2010 Service Pack 2 (32-bit editions), Microsoft PowerPoint 2010 Service Pack 2 (64-bit editions)
KB4018392
Microsoft SharePoint Enterprise Server 2013 Service Pack 1
KB4022195
Microsoft Excel Viewer 2007 Service Pack 3
KB4022198
Microsoft Office 2010 Service Pack 2 (32-bit editions), Microsoft Office 2010 Service Pack 2 (64-bit editions)
KB4022234
Microsoft SharePoint Enterprise Server 2013 Service Pack 1
KB4022236
Microsoft SharePoint Server 2013 Service Pack 1
KB4022238
Microsoft Office Web Apps 2013 Service Pack 1
KB4032212
Microsoft Office Compatibility Pack Service Pack 3
KB4032213
Microsoft Excel Viewer 2007 Service Pack 3
KB4032215
Word Automation Services on Microsoft SharePoint Server 2010 Service Pack 2
KB4032220
Microsoft Office Web Apps 2010 Service Pack 2

Vendor advisory

https://support.microsoft.com/help/4343901

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