Critical severity9.9NVD Advisory· Published May 11, 2021· Updated Jun 17, 2026
CVE-2021-28476
CVE-2021-28476
Description
Windows Hyper-V Remote Code Execution Vulnerability
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
30cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*+ 8 more
- cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_1507:10.0.10240.18931:*:*:*:*:*:x64:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1556:*:*:*:*:*:x64:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4401:*:*:*:*:*:x64:*Range: 10.0.0
cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.1935:*:*:*:*:*:x64:*+ 1 more
- cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.1935:*:*:*:*:*:x64:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.982:*:*:*:*:*:x64:*range: 10.0.0
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:*+ 1 more
- cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20017:*:*:*:*:*:x64:*range: 6.3.0
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*+ 1 more
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23347:*:*:*:*:*:x64:*range: 6.2.0
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4401:*:*:*:*:*:*:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.1935:*:*:*:*:*:*:*range: 10.0.0
Patches
Vulnerability mechanics
References
2- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28476nvdPatchVendor Advisory
- packetstormsecurity.com/files/163497/Microsoft-Hyper-V-vmswitch.sys-Proof-Of-Concept.htmlnvdThird Party AdvisoryVDB Entry
News mentions
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