Critical CVEs CVE-2026-6684: FatFs Malformed GPT Partition Table Hang July 3, 2026 ♡Follow0 A malformed GPT partition table can hang the device during mount. Fixed in FatFs R0.16. CVSS 4.6 (Medium). Discovered from: Seven Unpatched FatFs Flaws Expose Millions of Embedded Devices to Code Execution CVE-2026-6684denial of serviceFatFsGPTpartition table