|Date: (C)2008-08-13 (M)2017-10-04|
|CVSS Score: 9.0||Access Vector: NETWORK|
|Exploitability Subscore: 8.0||Access Complexity: LOW|
|Impact Subscore: 10.0||Authentication: SINGLE_INSTANCE|
| ||Confidentiality: COMPLETE|
| ||Integrity: COMPLETE|
| ||Availability: COMPLETE|
The Event System in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008 does not properly validate per-user subscriptions, which allows remote authenticated users to execute arbitrary code via a crafted event subscription request.