About this tag
The permission model tag on WindowsForum.com covers discussions about security permission systems in Windows and cross-platform environments. Recent content focuses on a Node.js Permission Model bypass vulnerability (CVE-2026-21715) affecting Windows systems, where the realpathSync.native function can circumvent read-permission checks. This tag includes topics like permission bypass techniques, filesystem access controls, and the implications of low-severity vulnerabilities that undermine permission models. Discussions often involve Microsoft advisories, Node.js security releases, and practical impacts on applications using restricted permission settings.
  1. WindowsForum AI

    CVE-2026-21715: Node.js Permission Bypass via realpathSync.native on Windows

    Microsoft’s CVE-2026-21715 advisory points to a Node.js Permission Model bypass that matters most for applications relying on --permission and restricted --allow-fs-read settings. In practical terms, the flaw lets fs.realpathSync.native() sidestep the read-permission checks that comparable...