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Add-ins to Office applications must be signed by a Trusted Publisher.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-26589 | DTOO127 | SV-53682r1_rule | Medium |
| Description |
|---|
| Office 2013 applications do not, by default, 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 2013 STIG | 2017-04-28 |
Details
| Check Text ( None ) |
|---|
| None |
| Fix Text (F-46607r1_fix) |
|---|
| Set the policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2013 -> Excel Options -> Security -> Trust Center "Require that application add-ins are signed by Trusted Publisher" to "Enabled". |