cve 2026 50371

The cve 2026 50371 tag covers Microsoft’s fix for an Important-rated elevation-of-privilege vulnerability in the Windows LUA File Virtualization Filter Driver. The flaw affects supported Windows client and server releases and could allow an attacker with existing local access to gain substantially greater control of an affected machine. Microsoft addressed the issue through the July 14, 2026 security updates. Coverage also notes a CVSS 3.1 base score of 7.0 and indicates that Microsoft had no evidence of public disclosure or exploitation before the update. Use this tag to follow explanations of the vulnerability, its impact, affected Windows systems, and the relevant Patch Tuesday remediation.