Windows Hyper-V Remote Code Execution Vulnerability
65Vexday Risk Score
Keep watching. It has a public proof of concept.
ssvc Attendcvss 9.9epss 39%
from disclosure to weapon20 days
Published on NVDMay 11
1st PoC+20d
exploitation probability
39%top 2% of all CVEs
observed exploitation
nono source reports it
4 public exploit(s)
Windows Hyper-V Remote Code Execution Vulnerability
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Windows 10 Version 1507Microsoft · Windows 10 Version 1607Microsoft · Windows 10 Version 1803Microsoft · Windows 10 Version 1809Microsoft · Windows 10 Version 1909Microsoft · Windows 10 Version 2004Microsoft · Windows 7 Service Pack 1Microsoft · Windows 8.1Microsoft · Windows Server 2008 R2 Service Pack 1Microsoft · Windows Server 2008 R2 Service Pack 1 (Server Core installation)Microsoft · Windows Server 2008 Service Pack 2Microsoft · Windows Server 2008 Service Pack 2 (Server Core installation)Microsoft · Windows Server 2012Microsoft · Windows Server 2012 R2Microsoft · Windows Server 2012 R2 (Server Core installation)Microsoft · Windows Server 2012 (Server Core installation)Microsoft · Windows Server 2016Microsoft · Windows Server 2016 (Server Core installation)Microsoft · Windows Server 2019Microsoft · Windows Server 2019 (Server Core installation)Microsoft · Windows Server, version 1909 (Server Core installation)Microsoft · Windows Server version 2004Microsoft · Windows Server version 20H2public PoCs found — 4
githubgithub.com/0vercl0k/CVE-2021-28476★ 226githubgithub.com/bluefrostsecurity/CVE-2021-28476★ 9githubgithub.com/LaCeeKa/CVE-2021-28476-tools-env★ 1cve_referencepacketstormsecurity.com/files/163497/Microsoft-Hyper-V-vmswitch.sys-Proof-Of-Concept.htmlunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.