Windows NTLM Spoofing Vulnerability
Priority LOW 27CWE-200Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Microsoft. Impact type from Microsoft.
Summary
Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing locally.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01026 63rd percentileScored 2026-11-07
Fix Fixed Microsoft: 2 updates
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 to before 10.0.22621.6060 | 10.0.22621.6060 | Patch available | CNA |
| Microsoft | Windows 11 version 22H3 | 10.0.22631.0 to before 10.0.22631.6060 | 10.0.22631.6060 | Patch available | CNA |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 to before 10.0.22631.6060 | 10.0.22631.6060 | Patch available | CNA |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 to before 10.0.26100.6899 | 10.0.26100.6899 | Patch available | CNA |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 to before 10.0.26200.6899 | 10.0.26200.6899 | Patch available | CNA |
| Microsoft | Windows Server 2025 | 10.0.26100.0 to before 10.0.26100.6899 | 10.0.26100.6899 | Patch available | CNA |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 to before 10.0.26100.6899 | 10.0.26100.6899 | Patch available | CNA |
- Windows 11 version 22H2 VendorMicrosoft Affected 10.0.22621.0 to before 10.0.22621.6060 Fixed in 10.0.22621.6060 Patch available CNA
- Windows 11 version 22H3 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.6060 Fixed in 10.0.22631.6060 Patch available CNA
- Windows 11 Version 23H2 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.6060 Fixed in 10.0.22631.6060 Patch available CNA
- Windows 11 Version 24H2 VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.6899 Fixed in 10.0.26100.6899 Patch available CNA
- Windows 11 Version 25H2 VendorMicrosoft Affected 10.0.26200.0 to before 10.0.26200.6899 Fixed in 10.0.26200.6899 Patch available CNA
- Windows Server 2025 VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.6899 Fixed in 10.0.26100.6899 Patch available CNA
- Windows Server 2025 (Server Core installation) VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.6899 Fixed in 10.0.26100.6899 Patch available CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* | before 10.0.22621.6060 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* | before 10.0.22631.6060 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* | before 10.0.26100.6899 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:* | before 10.0.26200.6899 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* | before 10.0.26100.6899 | Vulnerable | Microsoft |
- cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* Versions before 10.0.22621.6060 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* Versions before 10.0.22631.6060 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* Versions before 10.0.26100.6899 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:* Versions before 10.0.26200.6899 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* Versions before 10.0.26100.6899 Vulnerable ·Microsoft
Remediation
Microsoft 2 updates
- Security Update
- Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.6899
- Windows 11 Version 24H2 for x64-based Systems 10.0.26100.6899
- Windows 11 Version 25H2 for ARM64-based Systems 10.0.26200.6899
- Windows 11 Version 25H2 for x64-based Systems 10.0.26200.6899
- Windows Server 2025 10.0.26100.6899
- Windows Server 2025 (Server Core installation) 10.0.26100.6899
- Security Update
- Windows 11 Version 22H2 for ARM64-based Systems 10.0.22621.6060
- Windows 11 Version 22H2 for x64-based Systems 10.0.22621.6060
- Windows 11 Version 23H2 for ARM64-based Systems 10.0.22631.6060
- Windows 11 Version 23H2 for x64-based Systems 10.0.22631.6060
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Spoofing
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
Timeline
- 2026-10-02 Threatist record created from CVE-2025-59284
- 2026-10-03 Alias added: GHSA-r7mr-x282-4wjx
References
More Microsoft Windows 11 22h2 vulnerabilities
- 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
- TI-2024-32708 Windows Task Scheduler Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2024-29106 Windows MSHTML Platform Spoofing Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2024-19802 Windows MSHTML Platform Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2024-19751 SmartScreen Prompt Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2025-59284 · CVE Program
- CVE-2025-59284 · NVD
- FIRST EPSS
- GHSA-r7mr-x282-4wjx · GitHub Advisory Database · CC BY 4.0
- CVE-2025-59284 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences