Microsoft Releases Emergency Windows 11 Hotpatch to Fix Remote Code Execution Flaw

Microsoft has released an out-of-band hotpatch update, KB5084597, to fix three remote code execution vulnerabilities in the Windows Routing and Remote Access Service (RRAS) management tool. The update targets Windows 11 Enterprise devices enrolled in the hotpatch program that did not receive the fixes through the standard March 2026 Patch Tuesday cumulative update. The three vulnerabilities are tracked as CVE-2026-25172, CVE-2026-25173, and CVE-2026-26111. All three were addressed in the March 10 Patch Tuesday release for standard Windows 11 devices.