Windows Cloud Files Mini Filter Driver Vulnerability Exploited to Escalate Privileges

A privilege escalation flaw in Windows Cloud Files Mini Filter Driver has been discovered, allowing local attackers to bypass file write protections and inject malicious code into system processes. Security researchers have uncovered CVE-2025-55680, a high-severity privilege-escalation vulnerability in the Windows Cloud Files Mini Filter Driver. The flaw exists in the Cloud Files Filter (cldsync.sys) […]

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