CVE-2023-32008: Windows Resilient File System (ReFS) Remote Code Execution Vulnerability

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-06-13 · updated 2026-06-17
Weakness: CWE-476

Description

Windows Resilient File System (ReFS) Remote Code Execution Vulnerability

Affected products

Microsoft Windows 10 Version 1507: before 10.0.10240.19983 — fixed in 10.0.10240.19983
Microsoft Windows 10 1607: before 10.0.14393.5989 — fixed in 10.0.14393.5989
Microsoft Windows 10: before 10.0.17763.4499 — fixed in 10.0.17763.4499
Microsoft Windows 10: before 10.0.19044.3086 — fixed in 10.0.19044.3086
Microsoft Windows 10: before 10.0.19045.3087 — fixed in 10.0.19045.3087
Microsoft Windows 11 21H2: before 10.0.22000.2057 — fixed in 10.0.22000.2057
Microsoft Windows 11: before 10.0.22621.1848 — fixed in 10.0.22621.1848
Microsoft Windows Server 2016: before 10.0.14393.5989 — fixed in 10.0.14393.5989
Microsoft Windows Server 2019: before 10.0.17763.4499 — fixed in 10.0.17763.4499
Microsoft Windows Server 2022: before 10.0.20348.1787 — fixed in 10.0.20348.1787
Microsoft Windows 10 Version 1507: from 10.0.10240.0 before 10.0.10240.19983 — fixed in 10.0.10240.19983
Microsoft Windows 10 1607: from 10.0.14393.0 before 10.0.14393.5989 — fixed in 10.0.14393.5989
Microsoft Windows 10: from 10.0.17763.0 before 10.0.17763.4499 — fixed in 10.0.17763.4499
Microsoft Windows 10: from 10.0.19043.0 before 10.0.19044.3086 — fixed in 10.0.19044.3086
Microsoft Windows 10: from 10.0.19045.0 before 10.0.19045.3086 — fixed in 10.0.19045.3086
Microsoft Windows 11 21H2: from 10.0.0 before 10.0.22000.2057 — fixed in 10.0.22000.2057
Microsoft Windows 11: from 10.0.22621.0 before 10.0.22621.1848 — fixed in 10.0.22621.1848
Microsoft Windows Server 2016: from 10.0.14393.0 before 10.0.14393.5989 — fixed in 10.0.14393.5989
Microsoft Windows Server 2019: from 10.0.17763.0 before 10.0.17763.4499 — fixed in 10.0.17763.4499
Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.1787 — fixed in 10.0.20348.1787

How to fix

Upgrade to a fixed version: Microsoft Windows 10 Version 1507 10.0.10240.19983; Microsoft Windows 10 1607 10.0.14393.5989; Microsoft Windows 10 10.0.17763.4499; Microsoft Windows 10 10.0.19044.3086; Microsoft Windows 10 10.0.19045.3087; Microsoft Windows 11 21H2 10.0.22000.2057; Microsoft Windows 11 10.0.22621.1848; Microsoft Windows Server 2016 10.0.14393.5989; Microsoft Windows Server 2019 10.0.17763.4499; Microsoft Windows Server 2022 10.0.20348.1787; Microsoft Windows 10 Version 1507 10.0.10240.19983; Microsoft Windows 10 1607 10.0.14393.5989. Check the vendor advisory for mitigations.

References

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