GoKawiilMicrosoft to enforce stricter script policy on Entra ID sign-ins from mid-October 2026
Microsoft confirmed it will begin enforcing a Content Security Policy on Entra ID sign-in pages starting mid-October 2026, allowing only scripts hosted on trusted Microsoft CDN domains to run during authentication. The rollout, first announced in November 2025, is expected to complete by late October 2026 and applies automatically without tenant configuration.