Microsoft Posts Excel 'Zero Day' Flaw Workarounds
Microsoft's security response center is recommending that businesses consider blocking Excel spreadsheet attachments at the network perimeter to help thwart targeted attacks that exploit an unpatched software vulnerability.
The Redmond, Wash., software giant published a pre-patch advisory on June 19 with a list of workarounds that include blocking Excel file-types at the e-mail gateway.
File extensions associated with the widely deployed Microsoft Excel program are: xls, xlt, xla, xlm, xlc, xlw, uxdc, csv, iqy, dqy, rqy, oqy, xll, xlb, slk, dif, xlk, xld, xlshtml, xlthtml and xlv. Microsoft Posts Excel 'Zero-Day' Flaw Workarounds
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