Microsoft has announced that it will release three patches for its Windows operating system next week. The fixes, which will carry a maximum threat rating of "critical," will be issued Tuesday, the company said. Under its two-month-old advance notification program, Microsoft typically gives the public early notice of the number of updates it plans to deliver and of the severity of the vulnerabilities the updates fix. The only other detail the software giant revealed Thursday was that people may have to restart their Windows systems for the patches to take effect. Microsoft did not say whether the patches will fix...