cve 2026 50374

CVE 2026 50374 identifies a use-after-free vulnerability in the Windows Cloud Files Mini Filter Driver. Microsoft addressed the flaw in the July 14, 2026 security updates, making the relevant monthly cumulative update the practical remediation. The issue affects Windows 10, Windows 11, Windows Server 2019, Windows Server 2022, and Windows Server 2025. A locally authorized attacker could exploit it to elevate privileges, potentially affecting confidentiality, integrity, and availability. The vulnerability has a CVSS 3.1 base score of 6.3, rated Medium, and is covered here through the available security update and vulnerability reporting.