Microsoft · Security update · December 8, 2020

KB4592464: December 2020 cumulative update for Windows 10 1507

KB4592464, released December 8, 2020, fixes 13 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.

UrgentUnsupported product

CVEs closed

None rated Critical

Exploited

None reported

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.1954

97th percentile

Priority of the 13 CVEs

Patch now 0
                                Urgent 1
                                High 9
                                Routine 3

Applies to

Product	Build after install
Windows 10 for 32-bit Systems	10240.18782
Windows 10 for x64-based Systems	10240.18782

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Urgent	CVE-2020-17096	Windows SMB	Remote Code Execution	7.5	0.1954	More likely
High	CVE-2020-17140	Windows SMB	Information Disclosure	8.1	0.1535	Exploitation Less Likely
High	CVE-2020-16960	Windows Backup Engine	Elevation of Privilege	7.8	0.0127	Exploitation Less Likely
High	CVE-2020-16961	Windows Backup Engine	Elevation of Privilege	7.8	0.0127	Exploitation Less Likely
High	CVE-2020-16958	Windows Backup Engine	Elevation of Privilege	7.8	0.0114	Exploitation Less Likely
High	CVE-2020-16959	Windows Backup Engine	Elevation of Privilege	7.8	0.0114	Exploitation Less Likely
High	CVE-2020-16962	Windows Backup Engine	Elevation of Privilege	7.8	0.0114	Exploitation Less Likely
High	CVE-2020-16963	Windows Backup Engine	Elevation of Privilege	7.8	0.0114	Exploitation Less Likely
High	CVE-2020-16964	Windows Backup Engine	Elevation of Privilege	7.8	0.0114	Exploitation Less Likely
High	CVE-2020-17092	Microsoft Windows	Elevation of Privilege	7.8	0.0104	Exploitation Less Likely
Routine	CVE-2020-17098	Microsoft Graphics Component	Information Disclosure	5.5	0.0140	Exploitation Less Likely
Routine	CVE-2020-17097	Windows Media	Elevation of Privilege	3.3	0.0105	Exploitation Less Likely
Routine	CVE-2020-17099	Windows Lock Screen	Security Feature Bypass	6.8	0.0100	Exploitation Less Likely

Released the same day

KB4486696
Microsoft SharePoint Foundation 2013 Service Pack 1
KB4486697
Microsoft SharePoint Server 2010 Service Pack 2
KB4486698
Microsoft Office 2010 Service Pack 2 (32-bit editions), Microsoft Office 2010 Service Pack 2 (64-bit editions)
KB4486704
Microsoft Office Web Apps 2010 Service Pack 2
KB4486721
Microsoft SharePoint Enterprise Server 2016
KB4486732
Microsoft Outlook 2013 RT Service Pack 1, Microsoft Outlook 2013 Service Pack 1 (32-bit editions), Microsoft Outlook 2013 Service Pack 1 (64-bit editions)
KB4486742
Microsoft Outlook 2010 Service Pack 2 (32-bit editions), Microsoft Outlook 2010 Service Pack 2 (64-bit editions)
KB4486748
Microsoft Outlook 2016 (32-bit edition), Microsoft Outlook 2016 (64-bit edition)
KB4486751
Microsoft SharePoint Server 2019
KB4486752
Microsoft SharePoint Server 2019
KB4486753
Microsoft SharePoint Enterprise Server 2016
KB4493138
Microsoft SharePoint Foundation 2013 Service Pack 1

Vendor advisory

https://support.microsoft.com/help/4592464

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