Microsoft · Security update · October 13, 2020

KB4580328: October 2020 cumulative update for Windows 10 1709

KB4580328, released October 13, 2020, fixes 47 CVEs across 6 products. One of them is being exploited (CVE-2020-1147); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now1 on CISA KEV3 publicly disclosedUnsupported product
CVEs closed
47
8 rated Critical
Exploited
1
CVE-2020-1147
Exploitation more likely
5
Vendor assessment
Highest EPSS
0.9580
99th percentile

Priority of the 47 CVEs

Patch now 1 Urgent 12 High 26 Routine 8

Applies to

ProductBuild after install
Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for 32-bit Systems16299.2166
Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for ARM64-based Systems16299.2166
Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for x64-based Systems16299.2166
Windows 10 Version 1709 for 32-bit Systems16299.2166
Windows 10 Version 1709 for ARM64-based Systems16299.2166
Windows 10 Version 1709 for x64-based Systems16299.2166

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Patch now CVE-2020-1147 .NET Framework Remote Code Execution 8.8 0.9580 KEVExploited
Urgent CVE-2020-16899 Microsoft Windows Denial of Service 7.5 0.1345 More likely
Urgent CVE-2020-16896 Windows RDP Information Disclosure 7.5 0.1260 More likely
Urgent CVE-2020-16898 Microsoft Windows Remote Code Execution 8.8 0.1094 Exploitation Less Likely
Urgent CVE-2020-16915 Windows Media Player Remote Code Execution 7.8 0.0984 Exploitation Less Likely
Urgent CVE-2020-16968 Microsoft Windows Codecs Library Remote Code Execution 7.8 0.0487 Exploitation Less Likely
Urgent CVE-2020-16911 Microsoft Graphics Component Remote Code Execution 8.8 0.0445 Exploitation Less Likely
Urgent CVE-2020-16967 Microsoft Windows Codecs Library Remote Code Execution 7.8 0.0421 Exploitation Less Likely
Urgent CVE-2020-16923 Microsoft Graphics Component Remote Code Execution 7.8 0.0383 Exploitation Less Likely
Urgent CVE-2020-16907 Microsoft Windows Elevation of Privilege 7.8 0.0100 More likely
Urgent CVE-2020-16913 Windows Kernel Elevation of Privilege 7.8 0.0100 More likely
Urgent CVE-2020-16891 Windows Hyper-V Remote Code Execution 8.8 0.0095 Exploitation Less Likely
Urgent CVE-2020-16922 Microsoft Windows Spoofing 5.3 0.0081 More likely
High CVE-2020-16927 Windows RDP Denial of Service 7.5 0.0592 Exploitation Less Likely
High CVE-2020-1167 Microsoft Graphics Component Remote Code Execution 7.8 0.0472 Exploitation Less Likely
High CVE-2020-16924 Microsoft Windows Remote Code Execution 7.8 0.0412 Exploitation Less Likely
High CVE-2020-16939 Group Policy Elevation of Privilege 7.8 0.0242 Exploitation Less Likely
High CVE-2020-16940 Microsoft Windows Elevation of Privilege 7.8 0.0155 Exploitation Less Likely
High CVE-2020-16920 Microsoft Windows Elevation of Privilege 7.8 0.0142 Exploitation Less Likely
High CVE-2020-16885 Microsoft Windows Elevation of Privilege 7.8 0.0102 DisclosedExploitation Less Likely
High CVE-2020-16935 Microsoft Windows Elevation of Privilege 7.8 0.0100 Exploitation Less Likely
High CVE-2020-16890 Windows Secure Kernel Mode Elevation of Privilege 7.8 0.0100 Exploitation Less Likely
High CVE-2020-16916 Windows COM Elevation of Privilege 7.8 0.0098 Exploitation Less Likely
High CVE-2020-0764 Microsoft Windows Elevation of Privilege 7.8 0.0096 Exploitation Less Likely
High CVE-2020-16902 Windows Installer Elevation of Privilege 7.8 0.0094 Exploitation Less Likely
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