CVE-2026-70116: Stack-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to bypass a security feature with a physical attack.

PriorityP424medium4.2CVSS 3.1

AVPACHPRNUINSUCNIHAN

EPSS

0.37%

30.4th percentile

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

Affected

5 ranges

Vendor	Product	Version range	Fixed in
microsoft	windows_11_version_24h2	>= 10.0.26100.0 < 10.0.26100.9711	10.0.26100.9711
microsoft	windows_11_version_25h2	>= 10.0.26200.0 < 10.0.26200.9711	10.0.26200.9711
microsoft	windows_11_version_26h1	>= 10.0.28000.0 < 10.0.28000.3231	10.0.28000.3231
microsoft	windows_11_version_26h2	>= 10.0.26300.0 < 10.0.26300.9711	10.0.26300.9711
microsoft	windows_server_2025	>= 10.0.26100.0 < 10.0.26100.33650	10.0.26100.33650

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