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CVE-2019-1166

nvd nist
Published: Oct 10, 2019Modified: Jun 17, 2026

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5.9
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Exploitability: 2.2 / Impact: 3.6
Source: NVD

Description

A tampering vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully bypass the NTLM MIC (Message Integrity Check) protection, aka 'Windows NTLM Tampering Vulnerability'.

Affected (19)

Microsoft
8 products
Windows 10
Windows 7
Windows 8.1
Windows Rt 8.1
Windows Server 2008
Windows Server 2012
Windows Server 2016
Windows Server 2019
Configuration A
19 vulnerable
Vulnerable SoftwareAffected Versions
Microsoft
Windows 10
All versions
Windows 10
Version 1607
Windows 10
Version 1703
Windows 10
Version 1709
Windows 10
Version 1803
Windows 10
Version 1809
Windows 10
Version 1903
Windows 7
All versions
Windows 8.1
All versions
Windows Rt 8.1
All versions
Microsoft
Windows Server 2008
All versions
Windows Server 2008
Version r2 sp1
Windows Server 2008
Version r2 sp1
Microsoft
Windows Server 2012
All versions
Windows Server 2012
Version r2
Microsoft
Windows Server 2016
All versions
Windows Server 2016
Version 1803
Windows Server 2016
Version 1903
Windows Server 2019
All versions

Related CWEs

CWE-354
Improper Validation of Integrity Check Value
The product does not validate or incorrectly validates the integrity check values or "checksums" of a message. This may prevent it from detecting if the data has been modified or corrupted in transmission.

References (2)

Source: secure@microsoft.com
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory

Timeline

No history available yet.