Microsoft · Security update · September 8, 2020

KB4577041: September 2020 cumulative update for Windows 10 1709

KB4577041, released September 8, 2020, fixes 65 CVEs across 9 products. One of them is being exploited (CVE-2020-0878); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now1 on CISA KEVKnown ransomware useUnsupported product
CVEs closed
65
11 rated Critical
Exploited
1
CVE-2020-0878
Exploitation more likely
5
Vendor assessment
Highest EPSS
0.4603
98th percentile

Priority of the 65 CVEs

Patch now 1 Urgent 15 High 25 Routine 24

Applies to

ProductBuild after install
Internet Explorer 11 on Windows 10 Version 1709 for 32-bit Systems16299.2107
Internet Explorer 11 on Windows 10 Version 1709 for ARM64-based Systems16299.2107
Internet Explorer 11 on Windows 10 Version 1709 for x64-based Systems16299.2107
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for 32-bit Systems16299.2107
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for ARM64-based Systems16299.2107
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for x64-based Systems16299.2107
Windows 10 Version 1709 for 32-bit Systems16299.2107
Windows 10 Version 1709 for ARM64-based Systems16299.2107
Windows 10 Version 1709 for x64-based Systems16299.2107

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Patch now CVE-2020-0878 Microsoft Browsers Remote Code Execution 4.2 0.0270 KEVRansomwareExploited
Urgent CVE-2020-0922 Microsoft Windows Remote Code Execution 8.8 0.0491 Exploitation Less Likely
Urgent CVE-2020-0997 Microsoft Windows Codecs Library Remote Code Execution 7.8 0.0491 Exploitation Less Likely
Urgent CVE-2020-1129 Microsoft Windows Codecs Library Remote Code Execution 8.8 0.0418 Exploitation Less Likely
Urgent CVE-2020-1285 Microsoft Graphics Component Remote Code Execution 8.4 0.0396 Exploitation Less Likely
Urgent CVE-2020-1252 Microsoft Windows Remote Code Execution 7.8 0.0388 Exploitation Less Likely
Urgent CVE-2020-0908 Microsoft Windows Remote Code Execution 7.5 0.0326 Exploitation Less Likely
Urgent CVE-2020-1508 Microsoft Windows Remote Code Execution 7.6 0.0326 Exploitation Less Likely
Urgent CVE-2020-1593 Microsoft Windows Remote Code Execution 7.6 0.0282 Exploitation Less Likely
Urgent CVE-2020-1057 Microsoft Scripting Engine Remote Code Execution 4.2 0.0224 Exploitation Less Likely
Urgent CVE-2020-1172 Microsoft Scripting Engine Remote Code Execution 4.2 0.0224 Exploitation Less Likely
Urgent CVE-2020-0941 Windows Kernel Information Disclosure 5.5 0.0113 More likely
Urgent CVE-2020-1115 Windows Common Log File System Driver Elevation of Privilege 7.8 0.0109 More likely
Urgent CVE-2020-1308 Microsoft Graphics Component Elevation of Privilege 7.0 0.0103 More likely
Urgent CVE-2020-1245 Microsoft Graphics Component Elevation of Privilege 7.0 0.0083 More likely
Urgent CVE-2020-1152 Microsoft Graphics Component Elevation of Privilege 5.8 0.0060 More likely
High CVE-2020-1074 Microsoft JET Database Engine Remote Code Execution 7.8 0.4603 Exploitation Less Likely
High CVE-2020-1013 Microsoft Windows Elevation of Privilege 7.5 0.0646 Exploitation Less Likely
High CVE-2020-1031 Windows DHCP Server Information Disclosure 7.5 0.0514 Exploitation Less Likely
High CVE-2020-1167 Microsoft Graphics Component Remote Code Execution 7.8 0.0472 Exploitation Less Likely
High CVE-2020-1039 Microsoft JET Database Engine Remote Code Execution 7.8 0.0427 Exploitation Less Likely
High CVE-2020-1012 Internet Explorer Elevation of Privilege 8.8 0.0374 Exploitation Less Likely
High CVE-2020-1169 Microsoft Windows Elevation of Privilege 7.8 0.0366 Exploitation Less Likely
High CVE-2020-0886 Microsoft Windows Elevation of Privilege 7.8 0.0124 Exploitation Less Likely
High CVE-2020-1030 Windows Print Spooler Components Elevation of Privilege 7.8 0.0110 Exploitation Less Likely
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