Microsoft Security Response Center

Uncontrolled resource consumption in Windows Remote Desktop Services allows an unauthorized attacker to deny service over a network.

Use after free in Windows Connected Devices Platform Service allows an authorized attacker to elevate privileges locally.

Use of uninitialized resource in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to disclose information over a network.

Use after free in Desktop Windows Manager allows an authorized attacker to execute code locally.

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

**How could an attacker exploit this vulnerability?** An attacker authenticated on the domain could exploit this vulnerability by tricking a domain-joined user into sending a request to a malicious server via the Routing and Remote Access Service (RRAS) Snap-in. This could result in the server returning malicious data that might cause arbitrary code execution on the user's system.

Use of uninitialized resource in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.

**What privileges could be gained by an attacker who successfully exploited the vulnerability?** An attacker who successfully exploited this vulnerability could gain administrator privileges.

**How could an attacker exploit this vulnerability?** An authenticated attacker could create a crafted vhdx file and can call the vhdmp api with vhdx as one of the arguments.