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Medium · 6.2 CVE-2021-33765 EUVD-2021-20442GHSA-fj2h-cwh5-p3f7

Windows Installer Spoofing Vulnerability

Published Jul 14, 2021 · Updated Aug 10, 2026 · Assigned by microsoft

Vendor: Microsoft Product: Windows 10 Version 1507 Product: Windows 10 Version 1607 Product: Windows 10 Version 1809 Product: Windows 10 Version 1909 Product: Windows 10 Version 2004 Product: Windows 10 Version 20H2 Product: Windows 10 Version 21H1 Product: Windows 7 Product: Windows 7 Service Pack 1 Product: Windows 8.1 Product: Windows Server 2008 R2 Service Pack 1 Product: Windows Server 2008 R2 Service Pack 1 (Server Core installation) Product: Windows Server 2008 Service Pack 2 Product: Windows Server 2008 Service Pack 2 (Server Core installation) Product: Windows Server 2012 Product: Windows Server 2012 (Server Core installation) Product: Windows Server 2012 R2 Product: Windows Server 2012 R2 (Server Core installation) Product: Windows Server 2016 Product: Windows Server 2016 (Server Core installation) Product: Windows Server 2019 Product: Windows Server 2019 (Server Core installation) Product: Windows Server version 2004 Product: Windows Server version 20H2 Platform: Windows

Description

Windows Installer Spoofing Vulnerability

Affected products

VendorProductAffectedFixed
Microsoft Windows 10 Version 1507 10.0.10240.0 – < 10.0.10240.19003 10.0.10240.19003
Microsoft Windows 10 Version 1607 10.0.14393.0 – < 10.0.14393.4530 10.0.14393.4530
Microsoft Windows 10 Version 1809 10.0.17763.0 – < 10.0.17763.2061, 10.0.0 – < 10.0.17763.2061 10.0.17763.2061
Microsoft Windows 10 Version 1909 10.0.0 – < 10.0.18363.1679 10.0.18363.1679
Microsoft Windows 10 Version 2004 10.0.0 – < 10.0.19041.1110 10.0.19041.1110
Microsoft Windows 10 Version 20H2 10.0.0 – < 10.0.19042.1110 10.0.19042.1110
Microsoft Windows 10 Version 21H1 10.0.0 – < 10.0.19043.1110 10.0.19043.1110
Microsoft Windows 7 6.1.0 – < 6.1.7601.25661 6.1.7601.25661
Microsoft Windows 7 Service Pack 1 6.1.0 – < 6.1.7601.25661 6.1.7601.25661
Microsoft Windows 8.1 6.3.0 – < 6.3.9600.20069 6.3.9600.20069
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 – < 6.1.7601.25661 6.1.7601.25661
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 – < 6.1.7601.25661 6.1.7601.25661
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – < 6.0.6003.21167 6.0.6003.21167
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 – < 6.0.6003.21167 6.0.6003.21167
Microsoft Windows Server 2012 6.2.9200.0 – < 6.2.9200.23409 6.2.9200.23409
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – < 6.2.9200.23409 6.2.9200.23409
Microsoft Windows Server 2012 R2 6.3.9600.0 – < 6.3.9600.20069 6.3.9600.20069
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – < 6.3.9600.20069 6.3.9600.20069
Microsoft Windows Server 2016 10.0.14393.0 – < 10.0.14393.4530 10.0.14393.4530
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – < 10.0.14393.4530 10.0.14393.4530
Microsoft Windows Server 2019 10.0.17763.0 – < 10.0.17763.2061 10.0.17763.2061
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – < 10.0.17763.2061 10.0.17763.2061
Microsoft Windows Server version 2004 10.0.0 – < 10.0.19041.1110 10.0.19041.1110
Microsoft Windows Server version 20H2 10.0.0 – < 10.0.19042.1110 10.0.19042.1110

Advisories 1

References