Microsoft has patched a serious security vulnerability in its Windows Cloud Files Minifilter driver, closing a loophole that could let attackers gain SYSTEM-level privileges on affected devices. The flaw, tracked as CVE-2025-55680, carries a CVSS 3.1 score of 7.8, marking it as a high-severity threat. While not yet widely exploited, researchers believe it's "exploitation more likely," meaning attackers could easily weaponize it.

