Understanding and Defending Against CVE-2026-49269: GPU Register File Data Leakage in Apple M1 GPUs
CVE-2026-49269 is a high-severity vulnerability affecting Apple M1 GPUs, allowing a sandboxed Metal attacker app to read stale register values left by a separate sandboxed victim app. This vulnerability has a CVSS score of 8.6 and is considered high-risk due to its potential for data leakage. The vendor has addressed this issue at the hardware level in current-generation Apple Silicon.