Microsoft · Security update · April 9, 2019

KB4493467: April 2019 security update

KB4493467, released April 9, 2019, fixes 34 CVEs across 4 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
34
7 rated Critical
Exploited
2
CVE-2019-0803
Exploitation more likely
10
Vendor 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 8.1 for 32-bit systems
Windows 8.1 for x64-based systems
Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
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
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