This is a common crash that has occurred since at least 4.14.
The callstack is nearly identical to [Link Removed], which appears to be fixed in 4.18; and [Link Removed], which has not. The difference is that this callstack specifically references UStaticMeshThumbnailRenderer::Draw.
Users have not provided any descriptions of their actions when the crash occurred
repro steps currently unknown
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-51783 in the post.