(InfoWorld) – “A new vulnerability has been found in Microsoft's Excel spreadsheet program, just a few days after the company fixed problems with several of its applications in its monthly patch distribution.”
“One customer reported an attack using the vulnerability, which comes from an e-mail with aExcel document attached, wrote Mike Reavey, Microsoft Security Program Manager, on the company's security blog.”
1. Do not open attachments from untrusted sources.
2. There are no trusted sources.