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What is Microsoft Excel 0-day vulnerability?

April 26, 2017Excel Microsoft vulnerability

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What is Microsoft Excel 0-day vulnerability?

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This previously unknown vulnerability is caused by an unknown error when processing malformed Excel documents. The detailed characteristics or component being exploited is not publicly known. Vulnerability was disclosed via malware descriptions informing new Trojan exploiting undocumented vulnerability in Excel. This flaw has been used in attacks against unknown organization. Microsoft tells about one report of their customer.