Documents must be configured to not open as Read Write when browsing.

From Microsoft Office System 2013 STIG

Part of DTOO179 - Open as Read/Write when browsing

SV-52714r3_rule Documents must be configured to not open as Read Write when browsing.

Vulnerability discussion

By default, when an Office 2013 document on a web server is opened using Internet Explorer, the appropriate application opens the file in read-only mode. However, if the default configuration is changed, the document is opened as read/write. Users could potentially make changes to documents and resave them in situations where the web server security is not configured to prevent such changes.

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Fix text

Set the policy value for for User Configuration >> Administrative Templates >> Tools >> Options >> General >> Web Options… >> Files “Open Office documents as read/write while browsing” to “Disabled".

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