Microsoft · Security update · April 14, 2020

KB4550929: April 2020 cumulative update for Windows 10 1607

KB4550929, released April 14, 2020, fixes 56 CVEs across 10 products. 4 of them are being exploited (CVE-2020-0938); 4 on CISA KEV. Patch Radar priority: Patch now.

Patch now4 on CISA KEVKnown ransomware use1 publicly disclosed

CVEs closed

7 rated Critical

Exploited

CVE-2020-0938

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.6895

99th percentile

Priority of the 56 CVEs

Patch now 4
                                Urgent 11
                                High 23
                                Routine 18

Applies to

Product	Build after install
Internet Explorer 11 on Windows 10 Version 1607 for 32-bit Systems	14393.3630
Internet Explorer 11 on Windows 10 Version 1607 for x64-based Systems	14393.3630
Internet Explorer 11 on Windows Server 2016	14393.3630
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for 32-bit Systems	14393.3630
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for x64-based Systems	14393.3630
Microsoft Edge (EdgeHTML-based) on Windows Server 2016	14393.3630
Windows 10 Version 1607 for 32-bit Systems	14393.3630
Windows 10 Version 1607 for x64-based Systems	14393.3630
Windows Server 2016	14393.3630
Windows Server 2016 (Server Core installation)	14393.3630

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Patch now	CVE-2020-0938	Microsoft Graphics Component	Remote Code Execution	7.8	0.6895	KEVExploited
Patch now	CVE-2020-1020	Microsoft Graphics Component	Remote Code Execution	7.8	0.6504	KEVDisclosedExploited
Patch now	CVE-2020-0968	Microsoft Scripting Engine	Remote Code Execution	6.4	0.3068	KEVRansomwareExploited
Patch now	CVE-2020-1027	Windows Kernel	Elevation of Privilege	7.8	0.0472	KEVExploited
Urgent	CVE-2020-0687	Microsoft Graphics Component	Remote Code Execution	8.8	0.1923	Exploitation Less Likely
Urgent	CVE-2020-0969	Microsoft Scripting Engine	Remote Code Execution	4.2	0.1330	Exploitation Less Likely
Urgent	CVE-2020-0907	Microsoft Graphics Component	Remote Code Execution	7.8	0.1197	Exploitation Less Likely
Urgent	CVE-2020-0948	Windows Media	Remote Code Execution	7.8	0.0516	Exploitation Less Likely
Urgent	CVE-2020-0949	Windows Media	Remote Code Execution	7.8	0.0516	Exploitation Less Likely
Urgent	CVE-2020-0950	Windows Media	Remote Code Execution	7.8	0.0516	Exploitation Less Likely
Urgent	CVE-2020-0965	Microsoft Windows	Remote Code Execution	7.8	0.0211	Exploitation Less Likely
Urgent	CVE-2020-0784	Microsoft Graphics Component	Elevation of Privilege	7.8	0.0096	More likely
Urgent	CVE-2020-1004	Microsoft Graphics Component	Elevation of Privilege	7.8	0.0091	More likely
Urgent	CVE-2020-0956	Windows Kernel	Elevation of Privilege	7.0	0.0091	More likely
Urgent	CVE-2020-0958	Microsoft Graphics Component	Elevation of Privilege	7.0	0.0091	More likely
High	CVE-2020-0964	Microsoft Graphics Component	Remote Code Execution	8.0	0.1852	Exploitation Less Likely
High	CVE-2020-0995	Microsoft JET Database Engine	Remote Code Execution	7.0	0.1783	Exploitation Less Likely
High	CVE-2020-0953	Microsoft JET Database Engine	Remote Code Execution	7.8	0.1197	Exploitation Less Likely
High	CVE-2020-0988	Microsoft JET Database Engine	Remote Code Execution	7.0	0.1197	Exploitation Less Likely
High	CVE-2020-0992	Microsoft JET Database Engine	Remote Code Execution	7.0	0.1197	Exploitation Less Likely
High	CVE-2020-0994	Microsoft JET Database Engine	Remote Code Execution	7.0	0.1197	Exploitation Less Likely
High	CVE-2020-0999	Microsoft JET Database Engine	Remote Code Execution	7.0	0.1197	Exploitation Less Likely
High	CVE-2020-1008	Microsoft JET Database Engine	Remote Code Execution	7.0	0.1197	Exploitation Less Likely
High	CVE-2020-0966	Microsoft Scripting Engine	Remote Code Execution	7.5	0.1167	Exploitation Less Likely
High	CVE-2020-0967	Microsoft Scripting Engine	Remote Code Execution	7.5	0.1167	Exploitation Less Likely

Released the same day

KB2553306
Microsoft Business Productivity Servers 2010 Service Pack 2
KB3128012
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)
KB3162033
Microsoft Publisher 2013 Service Pack 1 (32-bit editions), Microsoft Publisher 2013 Service Pack 1 (64-bit editions)
KB3203462
Microsoft Office 2010 Service Pack 2 (32-bit editions), Microsoft Office 2010 Service Pack 2 (64-bit editions)
KB4011097
Microsoft Publisher 2016 (32-bit edition), Microsoft Publisher 2016 (64-bit edition)
KB4011104
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)
KB4011581
Microsoft SharePoint Foundation 2013 Service Pack 1
KB4011584
Microsoft SharePoint Enterprise Server 2013 Service Pack 1
KB4032216
Microsoft Publisher 2010 Service Pack 2 (32-bit editions), Microsoft Publisher 2010 Service Pack 2 (64-bit editions)
KB4462153
Microsoft Project Server 2013 Service Pack 1 (64-bit edition)
KB4462210
Microsoft Access 2013 Service Pack 1 (32-bit editions), Microsoft Access 2013 Service Pack 1 (64-bit editions)
KB4462225
Microsoft Visio 2010 Service Pack 2 (32-bit editions), Microsoft Visio 2010 Service Pack 2 (64-bit editions)

Vendor advisory

https://support.microsoft.com/help/4550929

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