CVE-2026-68839

CVE-2026-68839 is a heap-based buffer overflow in the Windows USB Mass Storage Class Driver , allowing an unauthorized attacker to execute code over a network. Microsoft rates it CRITICAL with a CVSS 3.1 score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), indicating network-exploitable, no privil...