Network Computing is part of the Informa Tech Division of Informa PLC

This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them. Informa PLC's registered office is 5 Howick Place, London SW1P 1WG. Registered in England and Wales. Number 8860726.

Microsoft Warns Of Major Flaw In Windows: Page 3 of 3

As with the ASN vulnerability, the other two security gaffes can be corrected by apply patches downloaded from Windows Update.

But it's the ASN flaw that has security experts scared. "These are potentially catastrophic vulnerabilities," said Marc Maiffret, the chief hacking officer at eEye in a statement. "It's imperative that organizations immediately apply the appropriate patches to ensure their systems are secure."