Apple rolled out sweeping software updates across all its products on July 27, 2026, patching 87 vulnerabilities in iOS and iPadOS 26.6 and 155 in macOS Tahoe 26.6, accumulated in less than a month since the previous version 26.5.2. The discoveries were powered by AI tools including Anthropic's Claude, OpenAI's Codex Security, NVIDIA's AI Red Team, and Z.ai's GLM. Anthropic researchers used Claude to find a WebKit memory vulnerability tracked as CVE-2026-64757. OpenAI's Codex Security discovered WebKit memory management vulnerability CVE-2026-43707 and out-of-bounds write issue CVE-2026-43745, both patched in watchOS 26.6. NVIDIA's AI Red Team reported a macOS privilege vulnerability (CVE-2026-39875) and a watchOS sandbox bypass flaw (CVE-2026-43701). WebKit vulnerabilities were also reported using Z.ai's GLM model. Meanwhile, Microsoft unveiled "Perception," a cybersecurity platform where over 100 AI agents collaborate, underscoring the intensifying industry-wide battle between AI-driven offense and defense.