GO-2022-1143: Restricted file access on Windows in os and net/http

  GO-2025-3750: Inconsistent handling of O_CREATE|O_EXCL on Unix and Windows in os in syscall

  GO-2026-4403: Improper access to parent directory of root in os

  GO-2026-4602: FileInfo can escape from a Root in os

  GO-2026-4970: Root escape via symlink plus trailing slash in os

  GO-2026-6604: Root.Mkdir(All) can follow junctions out of the root on Windows in os