cve-2026-35418

CVE-2026-35418 is a Microsoft-disclosed elevation-of-privilege vulnerability in the Windows Cloud Files Mini Filter Driver, published in the Security Update Guide on May 12, 2026. It affects Windows systems that rely on cloud-files plumbing used by OneDrive-style placeholder and synchronization features. The bug resides in a layer most users never see but increasingly depend on, as cloud storage has become ordinary Windows infrastructure. Attackers often target such infrastructure for their second move after initial access. This tag covers discussions about the vulnerability, its impact, and guidance on patching and prioritizing the update to mitigate local privilege escalation risks.