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CVE-2025-29833: Microsoft Virtual Machine Bus (VMBus) Remote Code Execution Vulnerability

**According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?** Successful exploitation of this vulnerability requires an attacker to prepare the target environment to improve exploit reliability.

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#vulnerability#mac#microsoft#rce#Windows Virtual Machine Bus#Security Vulnerability
CVE-2021-26443: Microsoft Virtual Machine Bus (VMBus) Remote Code Execution Vulnerability

*How Could an Attacker Exploit this Vulnerability?* A remote code execution vulnerability exists when a VM guest fails to properly handle communication on a VMBus channel. To exploit the vulnerability, an authenticated attacker could send a specially crafted communication on the VMBus channel from the guest VM to the Host. An attacker who successfully exploited the vulnerability could execute arbitrary code on the host operating system.