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CVE PROGRAM SOURCE RECORD4.2 Medium

CVE-2026-70116

Windows Resilient File System (ReFS) Security Feature Bypass Vulnerability

Description

Stack-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to bypass a security feature with a physical attack.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Microsoft Windows 11 Version 24H2

  • 10.0.26100.0 to < 10.0.26100.9711affected

Microsoft Windows 11 Version 25H2

  • 10.0.26200.0 to < 10.0.26200.9711affected

Microsoft Windows 11 version 26H1

  • 10.0.28000.0 to < 10.0.28000.3231affected

Microsoft Windows 11 Version 26H2

  • 10.0.26300.0 to < 10.0.26300.9711affected

Microsoft Windows Server 2025

  • 10.0.26100.0 to < 10.0.26100.33650affected

Microsoft Windows Server 2025 (Server Core installation)

  • 10.0.26100.0 to < 10.0.26100.33650affected

References