CVE-2021-26416
published 2021-04-13CVE-2021-26416: Windows Hyper-V Denial of Service Vulnerability Windows Hyper-V Denial of Service Vulnerability
high7.7CVSS 3.1
AVNACLPRLUINSCCNINAH
EPSS
3.93%
89.2th percentile
Windows Hyper-V Denial of Service Vulnerability
Windows Hyper-V Denial of Service Vulnerability
Affected
18 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10_version_1607 | >= 10.0.0 < publication | publication |
| microsoft | windows_10_version_1809 | >= 10.0.0 < publication | publication |
| microsoft | windows_10_version_1909 | >= 10.0.0 < publication | publication |
| microsoft | windows_10_version_2004 | >= 10.0.0 < publication | publication |
| microsoft | windows_server_2016 | >= 10.0.0 < publication | publication |
| microsoft | windows_server_2019 | >= 10.0.0 < publication | publication |
| microsoft | windows_server_version_2004 | >= 10.0.0 < publication | publication |
| microsoft | windows_server_version_20h2 | >= 10.0.0 < publication | publication |
| msrc | windows_10_version_1607_for_x64-based_systems | — | — |
| msrc | windows_10_version_1809_for_x64-based_systems | — | — |
| msrc | windows_10_version_1909_for_x64-based_systems | — | — |
| msrc | windows_10_version_2004_for_x64-based_systems | — | — |
| msrc | windows_10_version_20h2_for_x64-based_systems | — | — |
| msrc | windows_server_2016 | — | — |
| msrc | windows_server_2019 | — | — |
| msrc | windows_server_version_1909 | — | — |
| msrc | windows_server_version_2004 | — | — |
| msrc | windows_server_version_20h2 | — | — |
CVSS provenance
nvdv3.17.7HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
nvdv2.07.8HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
cvelistv57.7HIGH
vendor_msrc7.7HIGH
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Microsoft
Windows Hyper-V Denial of Service Vulnerability
vendor_msrc·2021-04-13·CVSS 7.7
CVE-2021-26416 [HIGH] Windows Hyper-V Denial of Service Vulnerability
Windows Hyper-V Denial of Service Vulnerability
FAQ: How can an attacker exploit this vulnerability?
An attacker who already has a privileged account on a guest operating system, running as a virtual machine, could run a specially crafted application. This can cause the host OS to crash by sending specially crafted request.
Role: Windows Hyper-V: Role: Windows Hyper-V
Microsoft: Microsoft
Impact: Denial of Service
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely;Older Software Release:Exploitation Less Likely;DOS:N/A
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5001342
Reference: https://support.microsoft.com/help/5001342
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5001337
Ref
CVEList
Windows Hyper-V Denial of Service Vulnerability
cvelistv5·2021-04-13·CVSS 7.7
CVE-2021-26416 [HIGH] Windows Hyper-V Denial of Service Vulnerability
Windows Hyper-V Denial of Service Vulnerability
Windows Hyper-V Denial of Service Vulnerability
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-04-13
Published