Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to execute code over a network.
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Fixes

Solution

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Workaround

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History

Fri, 12 Dec 2025 20:15:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows Server 2022 23h2
CPEs cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
Vendors & Products Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows Server 2022 23h2

Tue, 09 Dec 2025 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 09 Dec 2025 18:15:00 +0000

Type Values Removed Values Added
Description Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to execute code over a network.
Title Windows Resilient File System (ReFS) Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows Server 2022
Microsoft windows Server 2025
Microsoft windows Server 23h2
Weaknesses CWE-122
CPEs cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_23h2:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows Server 2022
Microsoft windows Server 2025
Microsoft windows Server 23h2
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2025-12-12T22:54:27.931Z

Reserved: 2025-10-14T18:24:58.483Z

Link: CVE-2025-62456

cve-icon Vulnrichment

Updated: 2025-12-09T20:18:22.160Z

cve-icon NVD

Status : Analyzed

Published: 2025-12-09T18:15:57.143

Modified: 2025-12-12T20:03:27.840

Link: CVE-2025-62456

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses