Microsoft · Security update · December 11, 2018

KB4471330: December 2018 security update

KB4471330, released December 11, 2018, fixes 13 CVEs across 3 products. 2 of them are being exploited (CVE-2018-8639); 2 on CISA KEV. Patch Radar priority: Patch now.

Patch now2 on CISA KEVKnown ransomware use

CVEs closed

None rated Critical

Exploited

CVE-2018-8639

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.6849

99th percentile

Priority of the 13 CVEs

Patch now 2
                                Urgent 8
                                High 0
                                Routine 3

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-2018-8639	Microsoft Graphics Component	Information Disclosure	7.0	0.2235	KEVRansomwareExploited
Patch now	CVE-2018-8611	Windows Kernel	Elevation of Privilege	7.0	0.0420	KEVExploited
Urgent	CVE-2018-8631	Internet Explorer	Remote Code Execution	6.4	0.6849	More likely
Urgent	CVE-2018-8619	Internet Explorer	Remote Code Execution	6.4	0.4484	More likely
Urgent	CVE-2018-8625	Microsoft Scripting Engine	Remote Code Execution	6.4	0.4376	More likely
Urgent	CVE-2018-8643	Microsoft Scripting Engine	Remote Code Execution	6.4	0.0991	More likely
Urgent	CVE-2018-8596	Microsoft Graphics Component	Information Disclosure	4.7	0.0707	More likely
Urgent	CVE-2018-8595	Microsoft Graphics Component	Information Disclosure	4.7	0.0692	More likely
Urgent	CVE-2018-8477	Windows Kernel	Information Disclosure	3.3	0.0180	More likely
Urgent	CVE-2018-8641	Windows Kernel-Mode Drivers	Elevation of Privilege	7.0	0.0112	More likely
Routine	CVE-2018-8514	Microsoft Windows DNS	Information Disclosure	3.3	0.0189	Exploitation Less Likely
Routine	CVE-2018-8621	Windows Kernel	Information Disclosure	4.7	0.0184	N/A
Routine	CVE-2018-8622	Windows Kernel	Information Disclosure	4.7	0.0184	N/A

Released the same day

KB2597975
Microsoft PowerPoint Viewer
KB2965312
Microsoft Office Web Apps 2010 Service Pack 2
KB4011027
Microsoft Office Online Server, Office Online Server
KB4011207
Microsoft Office Compatibility Pack Service Pack 3
KB4092472
Microsoft SharePoint Server 2013 Service Pack 1
KB4461465
Microsoft SharePoint Server 2010 Service Pack 2
KB4461481
Microsoft PowerPoint 2013 RT Service Pack 1, Microsoft PowerPoint 2013 Service Pack 1 (32-bit editions), Microsoft PowerPoint 2013 Service Pack 1 (64-bit editions)
KB4461521
Microsoft PowerPoint 2010 Service Pack 2 (32-bit editions), Microsoft PowerPoint 2010 Service Pack 2 (64-bit editions)
KB4461532
Microsoft PowerPoint 2016 (32-bit edition), Microsoft PowerPoint 2016 (64-bit edition)
KB4461541
Microsoft SharePoint Enterprise Server 2016
KB4461542
Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition)
KB4461544
Microsoft Outlook 2016 (32-bit edition), Microsoft Outlook 2016 (64-bit edition)

Vendor advisory

https://support.microsoft.com/help/4471330

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