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Microsoft urges users to patch critical flaws



Microsoft has released a dozen patches covering 19 newly discovered security flaws, the bulk of which are rated as 'critical', for its operating systems and applications, vnunet.com reports.

The most serious flaw is in patch MS05-011, which covers server message blocks, found in Windows 2000 and above.

The flaw could allow a worm like Sasser to cripple IT systems as it allows hackers to take full control without the need for a user to take any action.

"An attacker who successfully exploited this vulnerability could take complete control of an affected system," Microsoft confirmed today.

"An attacker could then install programs, view, change, or delete data, or create new accounts with full user rights. We recommend that customers apply the update immediately."