Escalating cross-border strikes define the current dynamics, with Iran-backed Houthi forces in Yemen launching repeated ballistic missile and drone attacks on Saudi targets including Riyadh-area airports, Abha, Khamis Mushait air bases, and Aramco facilities since the July 2026 resumption of hostilities. Saudi-led coalition air defenses have intercepted multiple waves, while Riyadh supports Yemeni government ground operations to reverse Houthi gains along the Red Sea coast and Bab el-Mandeb Strait. No verified reports indicate Houthi ground forces crossing into Saudi territory, as fighting remains concentrated inside Yemen amid Saudi airstrikes and limited coalition advances. Broader regional tensions tied to Iran-U.S. conflict and disrupted shipping routes continue to shape assessments of any near-term territorial incursion risk.