CVE-2021-28476
Windows Hyper-V Remote Code Execution Vulnerability
CVE-2021-28476 is fixed in 23 products on 1 platform, first by KB5003197, released May 11, 2021. It is not reported as exploited. Patch Radar priority: Urgent.
Urgent
CVSS
9.9
Critical
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.3923
98th percentile
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for x64-based Systems | 14393.4402 | KB5003197 | May 11, 2021 |
| Windows 10 Version 1803 for x64-based Systems | 17134.2208 | KB5003174 | May 11, 2021 |
| Windows 10 Version 1809 for x64-based Systems | 17763.1935 | KB5003171 | May 11, 2021 |
| Windows 10 Version 1909 for x64-based Systems | 18363.1556 | KB5003169 | May 11, 2021 |
| Windows 10 Version 2004 for x64-based Systems | KB5003173 | May 11, 2021 | |
| Windows 10 for x64-based Systems | 10240.18932 | KB5003172 | May 11, 2021 |
| Windows 7 for x64-based Systems Service Pack 1 | KB5003233 | May 11, 2021 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB5003228 | May 11, 2021 | |
| Windows 8.1 for x64-based systems | KB5003209 | May 11, 2021 | |
| Windows 8.1 for x64-based systems | KB5003220 | May 11, 2021 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB5003233 | May 11, 2021 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB5003228 | May 11, 2021 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB5003233 | May 11, 2021 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB5003228 | May 11, 2021 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB5003210 | May 11, 2021 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB5003225 | May 11, 2021 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB5003210 | May 11, 2021 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB5003225 | May 11, 2021 | |
| Windows Server 2012 | KB5003203 | May 11, 2021 | |
| Windows Server 2012 | KB5003208 | May 11, 2021 | |
| Windows Server 2012 (Server Core installation) | KB5003203 | May 11, 2021 | |
| Windows Server 2012 (Server Core installation) | KB5003208 | May 11, 2021 | |
| Windows Server 2012 R2 | KB5003209 | May 11, 2021 | |
| Windows Server 2012 R2 | KB5003220 | May 11, 2021 | |
| Windows Server 2012 R2 (Server Core installation) | KB5003209 | May 11, 2021 | |
| Windows Server 2012 R2 (Server Core installation) | KB5003220 | May 11, 2021 | |
| Windows Server 2016 | 14393.4402 | KB5003197 | May 11, 2021 |
| Windows Server 2016 (Server Core installation) | 14393.4402 | KB5003197 | May 11, 2021 |
| Windows Server 2019 | 17763.1935 | KB5003171 | May 11, 2021 |
| Windows Server 2019 (Server Core installation) | 17763.1935 | KB5003171 | May 11, 2021 |
| Windows Server, version 1909 (Server Core installation) | 18363.1556 | KB5003169 | May 11, 2021 |
| Windows Server, version 2004 (Server Core installation) | KB5003173 | May 11, 2021 | |
| Windows Server, version 20H2 (Server Core Installation) | KB5003173 | May 11, 2021 | |
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