| Vuln ID | Severity | Asset | STIG | Title | Status | Doc Status | Assigned To | Actions |
|---|---|---|---|---|---|---|---|---|
| V-223342 | CAT II | MONT-WS-92040 | Microsoft Office 365 ProPlus Security Te... | Files failing file validation must be opened in Ex... | - | |||
Check TextVerify the policy value for User Configuration >> Administrative Templates >> Microsoft Excel 2016 >> Excel Options >> Security >> Trust Center >> Protected View >> Set document behavior if file validation fails is set to "Enabled: Open in Protected View". Verify the check box for "Allow edit" is not selected. Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\16.0\Excel\security\filevalidation If the value openinprotectedview does not exist, this is not a finding. If both the value for openinprotectedview is REG_DWORD = 1 and the value for DisableEditFromPV is set to REG_DWORD = 1, this is not a finding. Fix TextSet the policy value for User Configuration >> Administrative Templates >> Microsoft Excel 2016 >> Excel Options >> Security >> Trust Center >> Protected View >> Set document behavior if file validation fails to "Enabled: Open in Protected View". Uncheck the "Allow edit" check box. Finding DetailsEvaluate-STIG 1.2507.5 (Scan-Office365_Checks) found this to be NOT A FINDING on 10/23/2025 Username: MONTFORD-POINT\W.Admin UserSID: S-1-5-21-1360995287-4027491577-3040029667-1106 ResultHash: 0F2DB70326C00FF2291AC4E7E39EFE13737F92B2 ~~~~~ 'Set document behvior if file validateion fails' is Not Configured in group policy which is acceptable per the STIG. Registry Path: HKCU:\SOFTWARE\Policies\Microsoft\Office\16.0\Excel\security\filevalidation Value Name: openinprotectedview (Not found) 'Allow edit' is Unchecked Registry Path: HKCU:\SOFTWARE\Policies\Microsoft\Office\16.0\Excel\security\filevalidation Value Name: DisableEditFromPV Value: 0x00000001 (1) Type: REG_DWORD
Source: _Reviewed/MONT-WS-92040/Checklist/MONT-WS-92040_MSOffice365_V3R3_20251023-142330.ckl
Scan Date: 2026-01-14T12:57:25.987513
Technology Area: Windows Operating System
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| V-223342 | CAT II | MONT-WS-92010 | Microsoft Office 365 ProPlus Security Te... | Files failing file validation must be opened in Ex... | - | |||
Check TextVerify the policy value for User Configuration >> Administrative Templates >> Microsoft Excel 2016 >> Excel Options >> Security >> Trust Center >> Protected View >> Set document behavior if file validation fails is set to "Enabled: Open in Protected View". Verify the check box for "Allow edit" is not selected. Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\16.0\Excel\security\filevalidation If the value openinprotectedview does not exist, this is not a finding. If both the value for openinprotectedview is REG_DWORD = 1 and the value for DisableEditFromPV is set to REG_DWORD = 1, this is not a finding. Fix TextSet the policy value for User Configuration >> Administrative Templates >> Microsoft Excel 2016 >> Excel Options >> Security >> Trust Center >> Protected View >> Set document behavior if file validation fails to "Enabled: Open in Protected View". Uncheck the "Allow edit" check box. Finding DetailsEvaluate-STIG 1.2507.5 (Scan-Office365_Checks) found this to be NOT A FINDING on 10/23/2025 Username: MONTFORD-POINT\D.Admin UserSID: S-1-5-21-1360995287-4027491577-3040029667-1104 ResultHash: 0F2DB70326C00FF2291AC4E7E39EFE13737F92B2 ~~~~~ 'Set document behvior if file validateion fails' is Not Configured in group policy which is acceptable per the STIG. Registry Path: HKCU:\SOFTWARE\Policies\Microsoft\Office\16.0\Excel\security\filevalidation Value Name: openinprotectedview (Not found) 'Allow edit' is Unchecked Registry Path: HKCU:\SOFTWARE\Policies\Microsoft\Office\16.0\Excel\security\filevalidation Value Name: DisableEditFromPV Value: 0x00000001 (1) Type: REG_DWORD
Source: _Reviewed/MONT-WS-92010/Checklist/MONT-WS-92010_MSOffice365_V3R3_20251023-141031.ckl
Scan Date: 2026-01-14T12:57:28.231385
Technology Area: Windows Operating System
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| V-223342 | CAT II | MONT-SW-89108 | Microsoft Office 365 ProPlus Security Te... | Files failing file validation must be opened in Ex... | - | |||
Check TextVerify the policy value for User Configuration >> Administrative Templates >> Microsoft Excel 2016 >> Excel Options >> Security >> Trust Center >> Protected View >> Set document behavior if file validation fails is set to "Enabled: Open in Protected View". Verify the check box for "Allow edit" is not selected. Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\16.0\Excel\security\filevalidation If the value openinprotectedview does not exist, this is not a finding. If both the value for openinprotectedview is REG_DWORD = 1 and the value for DisableEditFromPV is set to REG_DWORD = 1, this is not a finding. Fix TextSet the policy value for User Configuration >> Administrative Templates >> Microsoft Excel 2016 >> Excel Options >> Security >> Trust Center >> Protected View >> Set document behavior if file validation fails to "Enabled: Open in Protected View". Uncheck the "Allow edit" check box. Finding DetailsEvaluate-STIG 1.2510.0 (Scan-Office365_Checks) found this to be NOT A FINDING on 12/17/2025 Username: MONT-SW-89108\Scan.Admin UserSID: S-1-5-21-4163428051-2768110797-3591193048-1016 ResultHash: 0F2DB70326C00FF2291AC4E7E39EFE13737F92B2 ~~~~~ 'Set document behvior if file validateion fails' is Not Configured in group policy which is acceptable per the STIG. Registry Path: HKCU:\SOFTWARE\Policies\Microsoft\Office\16.0\Excel\security\filevalidation Value Name: openinprotectedview (Not found) 'Allow edit' is Unchecked Registry Path: HKCU:\SOFTWARE\Policies\Microsoft\Office\16.0\Excel\security\filevalidation Value Name: DisableEditFromPV Value: 0x00000001 (1) Type: REG_DWORD
Source: MONT-SW-89108_MSOffice365_V3R4_20251217-202911.ckl
Scan Date: 2026-03-04T15:25:16.145630
Technology Area: Windows Operating System
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| V-223342 | CAT II | MONT-SW-89134 | Microsoft Office 365 ProPlus Security Te... | Files failing file validation must be opened in Ex... | - | |||
Check TextVerify the policy value for User Configuration >> Administrative Templates >> Microsoft Excel 2016 >> Excel Options >> Security >> Trust Center >> Protected View >> Set document behavior if file validation fails is set to "Enabled: Open in Protected View". Verify the check box for "Allow edit" is not selected. Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\16.0\Excel\security\filevalidation If the value openinprotectedview does not exist, this is not a finding. If both the value for openinprotectedview is REG_DWORD = 1 and the value for DisableEditFromPV is set to REG_DWORD = 1, this is not a finding. Fix TextSet the policy value for User Configuration >> Administrative Templates >> Microsoft Excel 2016 >> Excel Options >> Security >> Trust Center >> Protected View >> Set document behavior if file validation fails to "Enabled: Open in Protected View". Uncheck the "Allow edit" check box. Finding DetailsEvaluate-STIG 1.2510.0 (Scan-Office365_Checks) found this to be NOT A FINDING on 12/17/2025 Username: MONT-SW-89134\dod_admin UserSID: S-1-5-21-4004422625-1934610219-1178763574-1001 ResultHash: 0F2DB70326C00FF2291AC4E7E39EFE13737F92B2 ~~~~~ 'Set document behvior if file validateion fails' is Not Configured in group policy which is acceptable per the STIG. Registry Path: HKCU:\SOFTWARE\Policies\Microsoft\Office\16.0\Excel\security\filevalidation Value Name: openinprotectedview (Not found) 'Allow edit' is Unchecked Registry Path: HKCU:\SOFTWARE\Policies\Microsoft\Office\16.0\Excel\security\filevalidation Value Name: DisableEditFromPV Value: 0x00000001 (1) Type: REG_DWORD
Source: MONT-SW-89134_MSOffice365_V3R4_20251217-201101.ckl
Scan Date: 2026-03-04T15:25:42.171357
Technology Area: Windows Operating System
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