Microsoft · Security update · October 13, 2020

KB4577668: October 2020 cumulative update for Windows 10 1809

KB4577668, released October 13, 2020, fixes 48 CVEs across 5 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent2 publicly disclosed
CVEs closed
48
7 rated Critical
Exploited
0
None reported
Exploitation more likely
5
Vendor assessment
Highest EPSS
0.1345
96th percentile

Priority of the 48 CVEs

Patch now 0 Urgent 12 High 29 Routine 7

Applies to

ProductBuild after install
Windows 10 Version 1809 for 32-bit Systems17763.1518
Windows 10 Version 1809 for ARM64-based Systems17763.1518
Windows 10 Version 1809 for x64-based Systems17763.1518
Windows Server 201917763.1518
Windows Server 2019 (Server Core installation)17763.1518

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
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-2020-16895 Microsoft Windows Elevation of Privilege 7.8 0.0103 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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