Microsoft Windows IKEEXT Service Vendor ID Null Pointer Dereference Denial-of-Service Vulnerability

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Microsoft Windows. Authentication is not required to exploit this vulnerability. The specific flaw exists within the IKEEXT service, which listens on UDP ports 500 and 4500. A crafted Vendor ID payload can cause a null pointer dereference. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.