PAN-OS Critical RCE CVE-2026-0300 — CVSS 9.8 Buffer Overflow Plus NGINX 18-Year Flaw and G7 AI SBOM Guidance

CVE-2026-0300 PAN-OS User-ID RCE, CVE-2026-42945 NGINX 18-year buffer overflow, G7 AI SBOM guidance, MuddyWater and FamousSparrow APT campaigns