Microsoft Corp. upgraded a recent security warning to "critical" after discovering new ways in which an attacker could run malicious software on a vulnerable computer.
The software flaw, which affects the two latest versions of Microsoft’s Outlook e-mail, calendar and contacts program, were initially rated as “important” in Microsoft’s monthly security bulletin issued on Tuesday.
Redmond, Washington-based Microsoft said that it reissued its latest security bulletin with a “critical” rating, which means that software should download and install a patch to correct the problem as quickly as possible.
Read more at Reuters Technology.















