CVE-2026-50401HighCVSS 5.5

Windows Cloud Files Mini Filter Driver Information Disclosure Vulnerability

Published
July 17, 2026
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2026-50401 →

📋 Description

Out-of-bounds read in Windows Cloud Files Mini Filter Driver allows an authorized attacker to disclose information locally.

🎯 Affected products19

  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 10 Version 22H2 for 32-bit Systems
  • Windows 10 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems
  • Windows 11 Version 24H2 for ARM64-based Systems
  • Windows 11 Version 24H2 for x64-based Systems
  • Windows 11 Version 25H2 for ARM64-based Systems
  • Windows 11 Version 25H2 for x64-based Systems
  • Windows 11 Version 26H1 for ARM64-based Systems
  • Windows 11 version 26H1 for x64-based Systems
  • Windows Server 2019
  • Windows Server 2019 (Server Core installation)
  • Windows Server 2022
  • Windows Server 2025
  • Windows Server 2025 (Server Core installation)

✅ Remediation

KB5099538 (Security Update) — fixed build 10.0.17763.9020 KB5099540 (Security Update) — fixed build 10.0.20348.5386 KB5099539 (Security Update) — fixed build 10.0.19044.7548 KB5099539 (Security Update) — fixed build 10.0.19045.7548 KB5099536 (Security Update) — fixed build 10.0.26100.33158 KB5101650 (Security Update) — fixed build 10.0.26200.8875 KB5101650 (Security Update) — fixed build 10.0.26100.8875 KB5101649 (Security Update) — fixed build 10.0.28000.2525

🔗 References (13)