Disclosure summary
Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to execute code over a network.
Source-reported weakness categories
CWE-122
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2025-62456
Open original source · Updated Oct 07, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| microsoft | windows_11_23h2 | * {"versionEndExcluding":"10.0.22631.6345"} |
| microsoft | windows_11_24h2 | * {"versionEndExcluding":"10.0.26100.7392"} |
| microsoft | windows_11_25h2 | * {"versionEndExcluding":"10.0.26200.7392"} |
| microsoft | windows_server_2022 | * {"versionEndExcluding":"10.0.20348.4467"} |
| microsoft | windows_server_2022_23h2 | * {"versionEndExcluding":"10.0.25398.2025"} |
| microsoft | windows_server_2025 | * {"versionEndExcluding":"10.0.26100.7392"} |
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor Advisory
PUBLISHED 2025-12-09T13:15:57-05:00
MODIFIED 2026-10-07T07:10:00-04:00
INGESTED 2026-10-08T12:35:37-04:00