cve 2026 33835

CVE-2026-33835 is a Windows Cloud Files Mini Filter Driver elevation-of-privilege vulnerability disclosed by Microsoft on May 12, 2026, and addressed through the May Patch Tuesday security updates. The vulnerability affects the Windows storage stack used in cloud-synced desktops. While exploit mechanics are not detailed, Microsoft treats it as a real, patchable bug relevant to enterprise IT. For administrators, this highlights that local privilege escalation vulnerabilities often serve as the second stage of an attack, making patching a priority for affected Windows systems.