🟠 High  |  Source: Microsoft Security Response Center


CVE-2026-54128 is a Remote Code Execution vulnerability in the Windows DHCP Client, meaning an attacker could potentially execute arbitrary code on affected systems by exploiting the way Windows handles DHCP responses. This update is an informational change only, correcting an acknowledgement rather than altering the vulnerability details or patch guidance. No new action is required as a result of this revision.

Security Architect’s Take: No immediate remediation action is triggered by this update — verify that previously issued patches for CVE-2026-54128 have been applied to all Windows workloads, including Azure IaaS VMs and hybrid-connected endpoints, and ensure DHCP traffic is restricted to trusted network segments where possible.

Original advisory: CVE-2026-54128 Windows DHCP Client Remote Code Execution Vulnerability