CVE-2025-62456: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 11 version 22H3
Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability involves a heap-based buffer overflow in the Windows ReFS implementation on Windows 11 version 22H3 (build 10.0.22631.0). An attacker with authorized access can exploit this flaw remotely to execute arbitrary code, potentially leading to full system compromise. The CVSS vector indicates low attack complexity, no user interaction required, and high impact on confidentiality, integrity, and availability. The vulnerability is tracked as CWE-122.
Potential Impact
Successful exploitation allows an authorized attacker to execute arbitrary code remotely over a network, which can lead to complete system compromise including full control over affected systems. The high CVSS score reflects the critical impact on system confidentiality, integrity, and availability.
Mitigation Recommendations
An official patch is available for this vulnerability. It is recommended to apply the security update provided by Microsoft for Windows 11 version 22H3 (build 10.0.22631.0) promptly to remediate this issue. No additional mitigations are specified or required beyond applying the official fix.
CVE-2025-62456: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 11 version 22H3
Description
Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to execute code over a network.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a heap-based buffer overflow in the Windows ReFS implementation on Windows 11 version 22H3 (build 10.0.22631.0). An attacker with authorized access can exploit this flaw remotely to execute arbitrary code, potentially leading to full system compromise. The CVSS vector indicates low attack complexity, no user interaction required, and high impact on confidentiality, integrity, and availability. The vulnerability is tracked as CWE-122.
Potential Impact
Successful exploitation allows an authorized attacker to execute arbitrary code remotely over a network, which can lead to complete system compromise including full control over affected systems. The high CVSS score reflects the critical impact on system confidentiality, integrity, and availability.
Mitigation Recommendations
An official patch is available for this vulnerability. It is recommended to apply the security update provided by Microsoft for Windows 11 version 22H3 (build 10.0.22631.0) promptly to remediate this issue. No additional mitigations are specified or required beyond applying the official fix.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2025-10-14T18:24:58.483Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 693867e374ebaa3babaf6fdb
Added to database: 12/9/2025, 6:18:11 PM
Last enriched: 4/17/2026, 11:13:21 AM
Last updated: 5/10/2026, 4:52:38 AM
Views: 157
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