Endpoint VulnerabilityMicrosoft CVE-2019-1166 Windows NTLM Tampering Vulnerability
Description
NTLM MIC bypass in Windows allows attackers to tamper with NTLM packets, modify flags without invalidating signatures, and downgrade security, compromising integrity on affected Windows systems.
Affected Applications
Windows RT 8.1
Windows Server version 1903 (Server Core installation)
Windows Server 2016
Windows Server version 1803 (Server Core Installation)
Windows Server 2012
Windows 8
Windows 7
Windows 10
Windows Server 2008
Windows Server 2019
Version Updates
| Date | Version | Status | Detail |
|---|---|---|---|
| 2022-12-21 | 1.00365 |
Modified
|
Windows RT 8. 1,Windows Server version 1903 (Server Core installation),Windows Server 2016,Windows Server version 1803 (Server Core Installation),Windows Server 2012,Windows 8,Windows 7,Windows 10,Windows Server 2008,Windows Server 2019 |
| 2022-12-14 | 1.00363 |
Modified
|
Windows Server 2016,Windows RT 8. 1,Windows Server version 1803 (Server Core Installation),Windows Server 2012,Windows 8,Windows 7,Windows 10,Windows Server 2008,Windows Server version 1903 (Server Core installation),Windows Server 2019 |
| 2019-10-09 | 1.00196 |
New
|
Windows RT 8. 1,Windows Server, version 1903 (Server Core installation),Windows Server 2016,Windows Server, version 1803 (Server Core Installation),Windows Server 2012,Windows 8,Windows 7,Windows 10,Windows Server 2008,Windows Server 2019 |
| ID | 60471 |
| Created | Oct 08, 2019 |
| Description Updated |
Jan 10, 2026 |
| CVE ID | |
| Risk |
|
| Coverage | FortiClient |
| OS | Windows |
| Vendor | Microsoft |
| Patch | auto |
| Application | Windows RT 8.1 , Windows Server version 1903 (Server Core installation) , Windows Server 2016 , Windows Server version 1803 (Server Core Installation) , Windows Server 2012 , Windows 8 , Windows 7 , Windows 10 , Windows Server 2008 , Windows Server 2019 |