Read the docs
TI-2025-38704 Aliases CVE-2025-62456GHSA-qrrp-v5pw-7w99

Windows Resilient File System (ReFS) Remote Code Execution Vulnerability

Priority MEDIUM 42CWE-122Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01105 65th percentileScored 2026-11-07
Fix Fixed Microsoft: 6 updates

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftWindows 11 version 22H310.0.22631.0 to before 10.0.22631.634510.0.22631.6345Patch availableCNA
MicrosoftWindows 11 Version 23H210.0.22631.0 to before 10.0.22631.634510.0.22631.6345Patch availableCNA
MicrosoftWindows 11 Version 24H210.0.26100.0 to before 10.0.26100.746210.0.26100.7462Patch availableCNA
MicrosoftWindows 11 Version 25H210.0.26200.0 to before 10.0.26200.746210.0.26200.7462Patch availableCNA
MicrosoftWindows Server 202210.0.20348.0 to before 10.0.20348.452910.0.20348.4529Patch availableCNA
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)10.0.25398.0 to before 10.0.25398.202510.0.25398.2025Patch availableCNA
MicrosoftWindows Server 202510.0.26100.0 to before 10.0.26100.746210.0.26100.7462Patch availableCNA
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0 to before 10.0.26100.746210.0.26100.7462Patch availableCNA
  • Windows 11 version 22H3 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.6345 Fixed in 10.0.22631.6345 Patch available CNA
  • Windows 11 Version 23H2 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.6345 Fixed in 10.0.22631.6345 Patch available CNA
  • Windows 11 Version 24H2 VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.7462 Fixed in 10.0.26100.7462 Patch available CNA
  • Windows 11 Version 25H2 VendorMicrosoft Affected 10.0.26200.0 to before 10.0.26200.7462 Fixed in 10.0.26200.7462 Patch available CNA
  • Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.4529 Fixed in 10.0.20348.4529 Patch available CNA
  • Windows Server 2022, 23H2 Edition (Server Core installation) VendorMicrosoft Affected 10.0.25398.0 to before 10.0.25398.2025 Fixed in 10.0.25398.2025 Patch available CNA
  • Windows Server 2025 VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.7462 Fixed in 10.0.26100.7462 Patch available CNA
  • Windows Server 2025 (Server Core installation) VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.7462 Fixed in 10.0.26100.7462 Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*before 10.0.22631.6345VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*before 10.0.26100.7392VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:*before 10.0.26200.7392VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*before 10.0.20348.4467VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*before 10.0.25398.2025VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*before 10.0.26100.7392VulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* Versions before 10.0.22631.6345 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* Versions before 10.0.26100.7392 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:* Versions before 10.0.26200.7392 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* Versions before 10.0.20348.4467 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* Versions before 10.0.25398.2025 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* Versions before 10.0.26100.7392 Vulnerable ·Microsoft

Remediation

Microsoft 6 updates

  • KB5072033
    Security Update
    • Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.7462
    • Windows 11 Version 24H2 for x64-based Systems 10.0.26100.7462
    • Windows 11 Version 25H2 for ARM64-based Systems 10.0.26200.7462
    • Windows 11 Version 25H2 for x64-based Systems 10.0.26200.7462
    • Windows Server 2025 10.0.26100.7462
    • Windows Server 2025 (Server Core installation) 10.0.26100.7462
  • KB5072014
    Security Hotpatch Update
    • Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.7392
    • Windows 11 Version 24H2 for x64-based Systems 10.0.26100.7392
    • Windows 11 Version 25H2 for ARM64-based Systems 10.0.26200.7392
    • Windows 11 Version 25H2 for x64-based Systems 10.0.26200.7392
    • Windows Server 2025 10.0.26100.7392
    • Windows Server 2025 (Server Core installation) 10.0.26100.7392
  • KB5071547
    Security Update
    • Windows Server 2022 10.0.20348.4529
    • Windows Server 2022 (Server Core installation) 10.0.20348.4529
Show 3 more Microsoft updates
  • KB5071542
    Security Update
    • Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.2025
  • KB5071417
    Security Update
    • Windows 11 Version 23H2 for ARM64-based Systems 10.0.22631.6345
    • Windows 11 Version 23H2 for x64-based Systems 10.0.22631.6345
  • KB5071413
    Security Hotpatch Update
    • Windows Server 2022 10.0.20348.4467
    • Windows Server 2022 (Server Core installation) 10.0.20348.4467

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Remote Code Execution
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Unlikely

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-62456
  2. 2026-10-03 Alias added: GHSA-qrrp-v5pw-7w99

References

Patch 1

  • TI-2026-26194 Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-73128 Windows Shell Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2026-17367 MSHTML Framework Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2026-17364 Windows Shell Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2025-24062 Windows SMB Client Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2025-24042 Internet Shortcut Files Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 8.8
See all 3407 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences