Microsoft · Security update · April 9, 2019

KB4493450: April 2019 security update

KB4493450, released April 9, 2019, fixes 34 CVEs across 2 products. 2 of them are being exploited (CVE-2019-0803); 2 on CISA KEV. Patch Radar priority: Patch now.

Patch now2 on CISA KEVKnown ransomware use

CVEs closed

7 rated Critical

Exploited

CVE-2019-0803

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.4523

98th percentile

Priority of the 34 CVEs

Patch now 2
                                Urgent 16
                                High 8
                                Routine 8

Applies to

Product
Windows Server 2012
Windows Server 2012 (Server Core installation)

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Patch now	CVE-2019-0803	Microsoft Graphics Component	Elevation of Privilege	7.0	0.4523	KEVRansomwareExploited
Patch now	CVE-2019-0859	Windows Kernel	Elevation of Privilege	7.8	0.0419	KEVRansomwareExploited
Urgent	CVE-2019-0853	Microsoft Graphics Component	Remote Code Execution	7.8	0.3005	Exploitation Less Likely
Urgent	CVE-2019-0795	Microsoft XML	Remote Code Execution	7.8	0.2132	Exploitation Less Likely
Urgent	CVE-2019-0791	Microsoft XML	Remote Code Execution	7.8	0.1818	Exploitation Less Likely
Urgent	CVE-2019-0792	Microsoft XML	Remote Code Execution	7.8	0.1818	Exploitation Less Likely
Urgent	CVE-2019-0793	Microsoft XML	Remote Code Execution	7.8	0.1818	More likely
Urgent	CVE-2019-0790	Microsoft XML	Remote Code Execution	7.8	0.1620	Exploitation Less Likely
Urgent	CVE-2019-0794	Microsoft Windows	Remote Code Execution	7.8	0.1548	More likely
Urgent	CVE-2019-0845	Microsoft Windows	Remote Code Execution	7.5	0.1481	Exploitation Less Likely
Urgent	CVE-2019-0731	Microsoft Windows	Elevation of Privilege	6.8	0.0435	More likely
Urgent	CVE-2019-0730	Microsoft Windows	Elevation of Privilege	6.7	0.0435	More likely
Urgent	CVE-2019-0836	Microsoft Windows	Elevation of Privilege	7.0	0.0430	More likely
Urgent	CVE-2019-0796	Microsoft Windows	Elevation of Privilege	6.3	0.0424	More likely
Urgent	CVE-2019-0732	Microsoft Windows	Security Feature Bypass	5.3	0.0378	More likely
Urgent	CVE-2019-0735	CSRSS	Elevation of Privilege	7.0	0.0366	More likely
Urgent	CVE-2019-0805	Microsoft Windows	Elevation of Privilege	6.7	0.0279	More likely
Urgent	CVE-2019-0844	Windows Kernel	Information Disclosure	5.5	0.0213	More likely
High	CVE-2019-0674	Microsoft Office	Remote Code Execution	7.8	0.1841	Exploitation Less Likely
High	CVE-2019-0846	Microsoft JET Database Engine	Remote Code Execution	7.8	0.1612	Exploitation Less Likely
High	CVE-2019-0847	Microsoft JET Database Engine	Remote Code Execution	7.8	0.1612	Exploitation Less Likely
High	CVE-2019-0851	Microsoft JET Database Engine	Remote Code Execution	7.8	0.1612	Exploitation Less Likely
High	CVE-2019-0671	Microsoft Office	Remote Code Execution	7.8	0.1482	Exploitation Less Likely
High	CVE-2019-0673	Microsoft Office	Remote Code Execution	7.8	0.1482	Exploitation Less Likely
High	CVE-2019-0879	Microsoft JET Database Engine	Remote Code Execution	7.8	0.0979	Exploitation Less Likely

Released the same day

KB4462204
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)
KB4462213
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)
KB4462223
Microsoft Office 2010 Service Pack 2 (32-bit editions), Microsoft Office 2010 Service Pack 2 (64-bit editions)
KB4462242
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)
KB4464504
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)
KB4464510
Microsoft SharePoint Enterprise Server 2016
KB4464511
Microsoft SharePoint Enterprise Server 2013 Service Pack 1
KB4464515
Microsoft SharePoint Foundation 2013 Service Pack 1
KB4464518
Microsoft SharePoint Server 2019
KB4464520
Microsoft Office 2010 Service Pack 2 (32-bit editions), Microsoft Office 2010 Service Pack 2 (64-bit editions)
KB4464525
Microsoft SharePoint Server 2010 Service Pack 2
KB4464528
Microsoft SharePoint Foundation 2010 Service Pack 2

Vendor advisory

https://support.microsoft.com/help/4493450

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