CVE-2024-38080: high-severity vulnerability in Microsoft Windows 11 version 21H2
Windows Hyper-V Elevation of Privilege Vulnerability
Published · Updated
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Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
A security flaw in Windows Hyper-V allows a user with basic computer access to gain higher privileges and control the entire system. This happens because the virtualization software doesn't properly validate certain operations, letting attackers bypass security restrictions.
Integer overflow vulnerability (CWE-190) in Windows Hyper-V allows local privilege escalation when an authenticated user submits specially crafted input to the hypervisor. The vulnerability stems from insufficient input validation on operations, enabling an attacker to execute arbitrary code with system privileges.
The full analysis of this CVE is available in Portuguese →
In the same product, most dangerous first.