Microsoft · Security update · December 13, 2016

KB3203621: December 2016 security update

KB3203621, released December 13, 2016, fixes 5 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.

Urgent1 publicly disclosedUnsupported product

CVEs closed

None rated Critical

Exploited

None reported

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.7394

99th percentile

Priority of the 5 CVEs

Patch now 0
                                Urgent 3
                                High 0
                                Routine 2

Applies to

Product
Internet Explorer 9 on Windows Server 2008 for 32-bit Systems Service Pack 2
Internet Explorer 9 on Windows Server 2008 for x64-based Systems Service Pack 2
Internet Explorer 9 on Windows Vista Service Pack 2
Internet Explorer 9 on Windows Vista x64 Edition Service Pack 2

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Urgent	CVE-2016-7202	Microsoft Browsers	Remote Code Execution	4.2	0.7394	More likely
Urgent	CVE-2016-7283	Internet Explorer	Remote Code Execution	6.4	0.1794	More likely
Urgent	CVE-2016-7279	Microsoft Browsers	Remote Code Execution	6.4	0.1511	More likely
Routine	CVE-2016-7278	Internet Explorer	Information Disclosure	2.4	0.1479	Exploitation Less Likely
Routine	CVE-2016-7282	Microsoft Browsers	Information Disclosure	4.3	0.1006	DisclosedExploitation Unlikely

Released the same day

KB2883033
Microsoft Office 2007 Service Pack 3
KB2889841
Microsoft Office 2010 Service Pack 2 (32-bit editions), Microsoft Office 2010 Service Pack 2 (64-bit editions)
KB3114395
Microsoft Publisher 2010 Service Pack 2 (32-bit editions), Microsoft Publisher 2010 Service Pack 2 (64-bit editions)
KB3118380
Microsoft Office 2010 Service Pack 2 (32-bit editions), Microsoft Office 2010 Service Pack 2 (64-bit editions)
KB3127892
Excel Services on Microsoft SharePoint Server 2007 Service Pack 3 (32-bit editions), Excel Services on Microsoft SharePoint Server 2007 Service Pack 3 (64-bit editions)
KB3127968
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)
KB3127986
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)
KB3127995
Microsoft Office Word Viewer
KB3128008
Microsoft Excel 2013 RT Service Pack 1, Microsoft Excel 2013 Service Pack 1 (32-bit editions), Microsoft Excel 2013 Service Pack 1 (64-bit editions)
KB3128016
Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition)
KB3128019
Microsoft Excel 2007 Service Pack 3
KB3128020
Microsoft Office 2007 Service Pack 3

Vendor advisory

https://support.microsoft.com/help/3203621

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