Microsoft · Security update · February 11, 2020

KB4537821: February 2020 security update

KB4537821, released February 11, 2020, fixes 54 CVEs across 9 products. 2 of them are being exploited (CVE-2020-0674); 2 on CISA KEV. Patch Radar priority: Patch now.

Patch now2 on CISA KEV4 publicly disclosed
CVEs closed
54
6 rated Critical
Exploited
2
CVE-2020-0674
Exploitation more likely
15
Vendor assessment
Highest EPSS
0.8686
99th percentile

Priority of the 54 CVEs

Patch now 2 Urgent 18 High 20 Routine 14

Applies to

Product
Internet Explorer 11 on Windows 8.1 for 32-bit systems
Internet Explorer 11 on Windows 8.1 for x64-based systems
Internet Explorer 11 on Windows RT 8.1
Internet Explorer 11 on Windows Server 2012 R2
Windows 8.1 for 32-bit systems
Windows 8.1 for x64-based systems
Windows RT 8.1
Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Patch now CVE-2020-0674 Internet Explorer Remote Code Execution 6.4 0.8686 KEVDisclosedExploited
Patch now CVE-2020-0683 Windows Installer Elevation of Privilege 7.0 0.0767 KEVDisclosedExploited
Urgent CVE-2020-0729 Windows Shell Remote Code Execution 7.5 0.3086 Exploitation Less Likely
Urgent CVE-2020-0734 Remote Desktop Client Remote Code Execution 7.5 0.1653 More likely
Urgent CVE-2020-0662 Windows Hyper-V Remote Code Execution 8.6 0.1325 Exploitation Less Likely
Urgent CVE-2020-0681 Microsoft Windows Remote Code Execution 7.5 0.1063 More likely
Urgent CVE-2020-0673 Internet Explorer Remote Code Execution 6.4 0.0985 More likely
Urgent CVE-2020-0738 Windows Media Remote Code Execution 8.8 0.0615 Exploitation Less Likely
Urgent CVE-2020-0658 Microsoft Windows Information Disclosure 5.5 0.0145 More likely
Urgent CVE-2020-0731 Windows Kernel Elevation of Privilege 7.0 0.0106 More likely
Urgent CVE-2020-0715 Microsoft Graphics Component Elevation of Privilege 7.0 0.0096 More likely
Urgent CVE-2020-0720 Windows Kernel Elevation of Privilege 7.0 0.0096 More likely
Urgent CVE-2020-0721 Windows Kernel Elevation of Privilege 7.0 0.0096 More likely
Urgent CVE-2020-0722 Windows Kernel Elevation of Privilege 7.0 0.0096 More likely
Urgent CVE-2020-0723 Windows Kernel Elevation of Privilege 7.0 0.0096 More likely
Urgent CVE-2020-0726 Windows Kernel Elevation of Privilege 7.0 0.0096 More likely
Urgent CVE-2020-0745 Microsoft Graphics Component Elevation of Privilege 7.8 0.0091 More likely
Urgent CVE-2020-0725 Windows Kernel Elevation of Privilege 7.0 0.0091 More likely
Urgent CVE-2020-0657 Microsoft Windows Elevation of Privilege 7.8 0.0085 More likely
Urgent CVE-2020-0817 Remote Desktop Client Remote Code Execution 7.5 n/a More likely
High CVE-2020-0655 Windows Shell Remote Code Execution 8.0 0.6569 Exploitation Less Likely
High CVE-2020-0668 Microsoft Windows Elevation of Privilege 7.8 0.2605 Exploitation Less Likely
High CVE-2020-0708 Windows Update Stack Remote Code Execution 7.8 0.1351 Exploitation Less Likely
High CVE-2020-0660 Windows RDP Denial of Service 7.5 0.0539 Exploitation Less Likely
High CVE-2020-0753 Microsoft Windows Elevation of Privilege 7.8 0.0231 Exploitation Less Likely
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