Microsoft issues update to fix domain privileges security

Microsoft Corp issued an emergency software update to fix a security glitch that affects domain privileges in all supported versions of Windows.

The vulnerability could allow an attacker to upgrade unprivileged domain user account privileges to those of a domain administrator account.

The update was released on Tuesday, according to information available on the company`s Security Response Center website.

Microsoft said it was aware of limited, targeted attacks that aimed to exploit the security issue at the time it issued the update.