CVE-2021-33765
Windows Installer Spoofing Vulnerability
CVE-2021-33765 is fixed in 40 products on 1 platform, first by KB5004238, released July 13, 2021. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
6.2
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0073
54th percentile
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | 14393.4530 | KB5004238 | Jul 13, 2021 |
| Windows 10 Version 1607 for x64-based Systems | 14393.4530 | KB5004238 | Jul 13, 2021 |
| Windows 10 Version 1809 for 32-bit Systems | 17763.2061 | KB5004244 | Jul 13, 2021 |
| Windows 10 Version 1809 for ARM64-based Systems | 17763.2061 | KB5004244 | Jul 13, 2021 |
| Windows 10 Version 1809 for x64-based Systems | 17763.2061 | KB5004244 | Jul 13, 2021 |
| Windows 10 Version 1909 for 32-bit Systems | 18363.1679 | KB5004245 | Jul 13, 2021 |
| Windows 10 Version 1909 for ARM64-based Systems | 18363.1679 | KB5004245 | Jul 13, 2021 |
| Windows 10 Version 1909 for x64-based Systems | 18363.1679 | KB5004245 | Jul 13, 2021 |
| Windows 10 Version 2004 for 32-bit Systems | KB5004237 | Jul 13, 2021 | |
| Windows 10 Version 2004 for ARM64-based Systems | KB5004237 | Jul 13, 2021 | |
| Windows 10 Version 2004 for x64-based Systems | KB5004237 | Jul 13, 2021 | |
| Windows 10 Version 20H2 for 32-bit Systems | KB5004237 | Jul 13, 2021 | |
| Windows 10 Version 20H2 for ARM64-based Systems | KB5004237 | Jul 13, 2021 | |
| Windows 10 Version 20H2 for x64-based Systems | KB5004237 | Jul 13, 2021 | |
| Windows 10 Version 21H1 for 32-bit Systems | KB5004237 | Jul 13, 2021 | |
| Windows 10 Version 21H1 for ARM64-based Systems | KB5004237 | Jul 13, 2021 | |
| Windows 10 Version 21H1 for x64-based Systems | KB5004237 | Jul 13, 2021 | |
| Windows 10 for 32-bit Systems | 10240.19003 | KB5004249 | Jul 13, 2021 |
| Windows 10 for x64-based Systems | 10240.19003 | KB5004249 | Jul 13, 2021 |
| Windows 7 for 32-bit Systems Service Pack 1 | KB5004307 | Jul 13, 2021 | |
| Windows 7 for 32-bit Systems Service Pack 1 | KB5004289 | Jul 13, 2021 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB5004307 | Jul 13, 2021 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB5004289 | Jul 13, 2021 | |
| Windows 8.1 for 32-bit systems | KB5004298 | Jul 13, 2021 | |
| Windows 8.1 for 32-bit systems | KB5004285 | Jul 13, 2021 | |
| Windows 8.1 for x64-based systems | KB5004298 | Jul 13, 2021 | |
| Windows 8.1 for x64-based systems | KB5004285 | Jul 13, 2021 | |
| Windows RT 8.1 | KB5004298 | Jul 13, 2021 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB5004307 | Jul 13, 2021 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB5004289 | Jul 13, 2021 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB5004307 | Jul 13, 2021 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB5004289 | Jul 13, 2021 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB5004305 | Jul 13, 2021 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB5004299 | Jul 13, 2021 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB5004305 | Jul 13, 2021 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB5004299 | Jul 13, 2021 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB5004305 | Jul 13, 2021 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB5004299 | Jul 13, 2021 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB5004305 | Jul 13, 2021 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB5004299 | Jul 13, 2021 | |
| Windows Server 2012 | KB5004302 | Jul 13, 2021 | |
| Windows Server 2012 | KB5004294 | Jul 13, 2021 | |
| Windows Server 2012 (Server Core installation) | KB5004302 | Jul 13, 2021 | |
| Windows Server 2012 (Server Core installation) | KB5004294 | Jul 13, 2021 | |
| Windows Server 2012 R2 | KB5004298 | Jul 13, 2021 | |
| Windows Server 2012 R2 | KB5004285 | Jul 13, 2021 | |
| Windows Server 2012 R2 (Server Core installation) | KB5004298 | Jul 13, 2021 | |
| Windows Server 2012 R2 (Server Core installation) | KB5004285 | Jul 13, 2021 | |
| Windows Server 2016 | 14393.4530 | KB5004238 | Jul 13, 2021 |
| Windows Server 2016 (Server Core installation) | 14393.4530 | KB5004238 | Jul 13, 2021 |
| Windows Server 2019 | 17763.2061 | KB5004244 | Jul 13, 2021 |
| Windows Server 2019 (Server Core installation) | 17763.2061 | KB5004244 | Jul 13, 2021 |
| Windows Server, version 2004 (Server Core installation) | KB5004237 | Jul 13, 2021 | |
| Windows Server, version 20H2 (Server Core Installation) | KB5004237 | Jul 13, 2021 | |
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