MEM (Memory Exploit Mitigation) causes Microsoft Office applications to crash and stop working with Macros enabled.
Adobe application cannot be accessible with MEM enabled.
Error appearing for Microsoft application:
Faulting application name: EXCEL.EXE, version: 12.0.4518.1014, time stamp: 0x45428263
Faulting module name: unknown, version: 0.0.0.0, time stamp: 0x00000000
Exception code: 0xc0000005
Fault offset: 0x03459318
Faulting process id: 0x1c78
Faulting application start time: 0x01d403c1dfa303de
Faulting application path: C:\Program Files (x86)\Microsoft Office\Office12\EXCEL.EXE
Faulting module path: unknown
Report Id: 1fd7ec0b-6fb5-11e8-80f8-000c29194b27
Faulting package full name:
This session lasted 4 seconds with 0 seconds of active time. This session ended with a crash.
Error appearing for Adobe application:
Blocked Attack: DLL Injection of Network-Sourced DLL attack against C:\Program Files (x86)\Adobe\Acrobat DC\Acrobat\Acrobat.exe Blocked Attack: DLL Injection of Network-Sourced DLL attack against C:\Program Files (x86)\Symantec\Symantec Endpoint Protection\14.0.3929.1200.105\Bin\ccSvcHst.exe Blocked Attack: DLL Injection of Network-Sourced DLL attack against C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe.
Data Execution Prevention (DEP) is enabled, an attempt by software to execute non-executable code will cause it to crash.
To know what is DEP, refer to the Microsoft article
SEP (Symantec Endpoint Protection) 14.x
Follow below steps to resolve the issue: