Microsoft · Security update · May 11, 2021

KB5003169: May 2021 cumulative update for Windows 10 1909

KB5003169, released May 11, 2021, fixes 17 CVEs across 7 products. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.

UrgentUnsupported product

CVEs closed

3 rated Critical

Exploited

None reported

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.3923

98th percentile

Priority of the 17 CVEs

Patch now 0
                                Urgent 5
                                High 6
                                Routine 6

Applies to

Product	Build after install
Internet Explorer 11 on Windows 10 Version 1909 for 32-bit Systems	18363.1556
Internet Explorer 11 on Windows 10 Version 1909 for ARM64-based Systems	18363.1556
Internet Explorer 11 on Windows 10 Version 1909 for x64-based Systems	18363.1556
Windows 10 Version 1909 for 32-bit Systems	18363.1556
Windows 10 Version 1909 for ARM64-based Systems	18363.1556
Windows 10 Version 1909 for x64-based Systems	18363.1556
Windows Server, version 1909 (Server Core installation)	18363.1556

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Urgent	CVE-2021-28476	Role: Windows Hyper-V	Remote Code Execution	9.9	0.3923	Exploitation Less Likely
Urgent	CVE-2021-26419	Internet Explorer	Remote Code Execution	6.4	0.2277	More likely
Urgent	CVE-2021-31194	Windows OLE	Remote Code Execution	8.8	0.0235	Exploitation Less Likely
Urgent	CVE-2021-31188	Microsoft Graphics Component	Elevation of Privilege	7.8	0.0137	More likely
Urgent	CVE-2021-31170	Microsoft Graphics Component	Elevation of Privilege	7.8	0.0101	More likely
High	CVE-2021-31186	Windows RDP Client	Information Disclosure	7.4	0.0297	Exploitation Less Likely
High	CVE-2021-28455	Jet Red and Access Connectivity	Remote Code Execution	8.8	0.0212	Exploitation Less Likely
High	CVE-2021-31187	Windows WalletService	Elevation of Privilege	7.8	0.0114	Exploitation Less Likely
High	CVE-2021-31167	Windows Container Manager Service	Elevation of Privilege	7.8	0.0101	Exploitation Less Likely
High	CVE-2021-31182	Microsoft Bluetooth Driver	Spoofing	7.1	0.0084	Exploitation Less Likely
High	CVE-2021-31193	Windows SSDP Service	Elevation of Privilege	7.8	0.0052	Exploitation Less Likely
Routine	CVE-2020-26144	Windows Wireless Networking	Spoofing	6.5	0.0491	Exploitation Less Likely
Routine	CVE-2020-24588	Windows Wireless Networking	Spoofing	6.5	0.0361	Exploitation Less Likely
Routine	CVE-2020-24587	Windows Wireless Networking	Information Disclosure	6.5	0.0259	Exploitation Less Likely
Routine	CVE-2021-31184	Microsoft Windows IrDA	Information Disclosure	5.5	0.0156	Exploitation Less Likely
Routine	CVE-2021-28479	Windows CSC Service	Information Disclosure	5.5	0.0076	Exploitation Less Likely
Routine	CVE-2021-31191	Windows Projected File System FS Filter	Information Disclosure	5.5	0.0076	Exploitation Less Likely

Released the same day

KB4464542
Microsoft Office 2013 RT Service Pack 1, Microsoft Office 2013 Service Pack 1 (32-bit editions), Microsoft Office 2013 Service Pack 1 (64-bit editions)
KB4484527
Microsoft Access 2013 Service Pack 1 (32-bit editions), Microsoft Access 2013 Service Pack 1 (64-bit editions)
KB4493197
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)
KB4493206
Microsoft Office 2013 RT Service Pack 1, Microsoft Office 2013 Service Pack 1 (32-bit editions), Microsoft Office 2013 Service Pack 1 (64-bit editions)
KB4504711
Microsoft Access 2016 (32-bit edition), Microsoft Access 2016 (64-bit edition)
KB5001914
Microsoft Office Online Server
KB5001916
Microsoft SharePoint Server 2019
KB5001917
Microsoft SharePoint Enterprise Server 2016
KB5001918
Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition)
KB5001919
Microsoft Word 2016 (32-bit edition), Microsoft Word 2016 (64-bit edition)
KB5001920
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)
KB5001923
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)

Vendor advisory

https://support.microsoft.com/help/5003169

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