Microsoft updated the following security bulletin:

- MS10-086 - Moderate: Vulnerability in Windows Shared Cluster Disks Could Allow Tampering (2294255) - Version:1.1



MS10-086 - Moderate: Vulnerability in Windows Shared Cluster Disks Could Allow Tampering (2294255) - Version:1.1

Severity Rating: Moderate - Revision Note: V1.1 (November 10, 2010): Added an update FAQ to explain that this update in fact corrects the permissions on existing shared cluster disks. This is an informational change only. Customers who have already successfully updated their systems do not need to take any action.

Summary: This security update resolves a privately reported vulnerability in Windows shared cluster disks. The vulnerability could allow data tampering on the administrative shares of failover cluster disks. By default, Windows Server 2008 R2 servers are not affected by this vulnerability. This vulnerability only applies to cluster disks used in a failover cluster.

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