Application add-ins must be signed by Trusted Publisher.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-26589	DTOO127 - Excel	SV-33850r1_rule		Medium

Description
Office 2010 applications do not check the digital signature on application add-ins before opening them. Disabling or not configuring this setting may allow an application to load a dangerous add-in. As a result, malicious code could become active on user computers or the network.

STIG	Date
Microsoft Excel 2010	2016-10-28

Details

Check Text ( None )
None

Fix Text (F-29886r1_fix)
Set the policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2010 -> Excel Options -> Security -> Trust Center “Require that application add-ins are signed by Trusted Publisher” to “Enabled".