CVE-2025-62456

HIGH

Microsoft Windows 11 23h2 < 10.0.22631.6345 - Heap Buffer Overflow

Title source: rule
STIX 2.1

Description

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

References (1)

Core 1
Core References

Scores

CVSS v3 8.8
EPSS 0.0017
EPSS Percentile 37.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-122
Status published
Products (14)
Microsoft/Windows 11 version 22H3 10.0.22631.0 - 10.0.22631.6345
Microsoft/Windows 11 Version 23H2 10.0.22631.0 - 10.0.22631.6345
Microsoft/Windows 11 Version 24H2 10.0.26100.0 - 10.0.26100.7462
Microsoft/Windows 11 Version 25H2 10.0.26200.0 - 10.0.26200.7462
Microsoft/Windows Server 2022 10.0.20348.0 - 10.0.20348.4529
Microsoft/Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 - 10.0.25398.2025
Microsoft/Windows Server 2025 10.0.26100.0 - 10.0.26100.7462
Microsoft/Windows Server 2025 (Server Core installation) 10.0.26100.0 - 10.0.26100.7462
microsoft/windows_11_23h2 < 10.0.22631.6345
microsoft/windows_11_24h2 < 10.0.26100.7392
... and 4 more
Published Dec 09, 2025
Tracked Since Feb 18, 2026