AI‑Assisted Zero‑Day Kernel Memory Corruption Exploit Targets macOS on Apple M5 Chips
What Happened — Researchers leveraged Anthropic’s Mythos AI model to discover a previously unknown kernel memory‑corruption vulnerability in macOS running on Apple’s M5 silicon, and subsequently developed a functional exploit. The vulnerability allows local privilege escalation and could be weaponized for remote code execution via malicious binaries.
Why It Matters for TPRM —
- AI‑driven vulnerability discovery accelerates the emergence of zero‑days, shrinking remediation windows for vendors.
- macOS is a core platform for many enterprise‑grade workloads; a kernel exploit can compromise endpoint integrity across multiple industries.
- Supply‑chain risk increases when attackers can embed the exploit in trusted macOS applications or update mechanisms.
Who Is Affected — Technology firms, SaaS providers, financial services, healthcare, and any organization that deploys macOS devices, especially those using Apple M5‑based hardware.
Recommended Actions —
- Verify that your Apple device fleet is running the latest macOS version and that Apple’s security patches are applied promptly.
- Review endpoint detection and response (EDR) policies for anomalous kernel‑level activity on macOS endpoints.
- Engage with Apple’s security advisory channels for guidance on mitigations or temporary work‑arounds.
Technical Notes — The exploit stems from a memory‑corruption bug in the kernel’s handling of certain I/O requests, enabling arbitrary code execution with kernel privileges. No CVE identifier has been publicly assigned at the time of reporting. The attack vector is a local privilege escalation that can be chained with social‑engineering to achieve remote compromise. Source: Schneier on Security