ndfltr.sys: a 32-bit offset+length wrap into a kernel OOB read— glaurung found an integer-overflow-before-bounds-check in the windows NetworkDirect filter driver: a 32-bit (offset+length) validation that wraps while the use site applies the offset as a 64-bit addend, sending the source pointer ~4 GiB out of bounds. unprivileged on RDMA hosts, but a denial-of-service floor — and one of three candidate sites was a false positive we caught before disclosing.