Microsoft Windows DHCP Client Stack-Based Buffer Overflow Vulnerability Allowing Remote Code Execution

A stack-based buffer overflow vulnerability has been identified in the Windows DHCP Client. This vulnerability allows an unauthorized attacker to execute code remotely over the network. It affects multiple Windows versions, including various releases of Windows 10, Windows 11, Windows Server 2016, Windows Server 2019, and other server versions. The vulnerability arises when the DHCP client processes crafted data from a malicious DHCP server, particularly when the DhcpGetOriginalSubnetMask API is called.

Impact

Exploitation of this vulnerability could lead to unauthorized remote code execution on the affected system.

Remediation

Users can apply the security updates provided by Microsoft to address this vulnerability. These security updates can be downloaded via the Microsoft Update Catalog. Specific update details can be found in the Microsoft Knowledge Base articles KB5094122, KB5094123, KB5094126, KB5095051, and KB5094041.