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CVE-2021-40461 - Security Update Guide - Microsoft - Windows Hyper-V Remote Code...
source link: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-40461
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Windows Hyper-V Remote Code Execution Vulnerability
CVE-2021-40461Released: Oct 12, 2021
Assigning CNA:
Microsoft
CVSS:3.1 8.0 / 7.0
Metric
Value
Base score metrics(8)
Attack Vector
Adjacent
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Temporal score metrics(3)
Exploit Code Maturity
Unproven
Remediation Level
Official Fix
Report Confidence
Confirmed
Please see Common Vulnerability Scoring System for more information on the definition of these metrics.
Exploitability
The following table provides an exploitability assessment for this vulnerability at the time of original publication.
Publicly Disclosed
Exploited
Exploitability Assessment
Exploitation Less Likely
Acknowledgements
Microsoft recognizes the efforts of those in the security community who help us protect customers through coordinated vulnerability disclosure. See Acknowledgements for more information.
Security Updates
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle.
Release date
Product
Platform
Impact
Severity
Article
Download
Details
Oct 12, 2021
Windows 11 for x64-based Systems
Remote Code Execution
Critical
Oct 12, 2021
Windows Server, version 20H2 (Server Core Installation)
Remote Code Execution
Critical
Oct 12, 2021
Windows 10 Version 20H2 for x64-based Systems
Remote Code Execution
Critical
Oct 12, 2021
Windows Server, version 2004 (Server Core installation)
Remote Code Execution
Critical
Oct 12, 2021
Windows 10 Version 2004 for x64-based Systems
Remote Code Execution
Critical
Oct 12, 2021
Windows Server 2022 (Server Core installation)
Remote Code Execution
Critical
Oct 12, 2021
Windows 10 Version 21H1 for x64-based Systems
Remote Code Execution
Critical
Oct 12, 2021
Windows 10 Version 1909 for x64-based Systems
Remote Code Execution
Critical
Oct 12, 2021
Windows Server 2019 (Server Core installation)
Remote Code Execution
Critical
Oct 12, 2021
Windows 10 Version 1809 for x64-based Systems
Remote Code Execution
Critical
Loaded all 12 rows
Disclaimer
The information provided in the Microsoft Knowledge Base is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
Revisions
Version
Revision Date
Description
Oct 12, 2021
Information published.
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