Microsoft Corporation has caused a stack overflow exception (0xC00000FD) when trying to write to memory location 0x2cc55ca8

Hi,

App pool crashes intermittently and the below mesage is logged in the event log.

Faulting application name: w3wp.exe, version: 8.0.9200.16384, time stamp: 0x50108835
Faulting module name: clr.dll, version: 4.0.30319.18449, time stamp: 0x528fdca2
Exception code: 0xc00000fd
Fault offset: 0x000000000024aa1d
Faulting process id: 0x1b64
Faulting application start time: 0x01d137e3e466c062
Faulting application path: c:\windows\system32\inetsrv\w3wp.exe
Faulting module path: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\clr.dll
Report Id: f7e958e5-a3d7-11e5-9425-005056a415b8
Faulting package full name: 
Faulting package-relative application ID: 

Analyzed the dumps from "C:\ProgramData\Microsoft\Windows\WER\ReportQueue" folder and the issue with clr.dll

"In WERC3F2.tmp.dmp the assembly instruction at clr!AdjustContextForWriteBarrier+3d inclr.dll from Microsoft Corporation has caused astack overflow exception (0xC00000FD) when trying to write to memory location0x2cc55ca8 on thread"

How to analyze further?

Thanks in advance