CVE-2019-1166

MediumCVSS 5.9/10Last modified Jun 17, 2026

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'.

Metrics

CVSS 3.1 5.9/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

Affected software

VendorProductVersions
MicrosoftWindows7 for 32-bit Systems Service Pack 1; 7 for x64-based Systems Service Pack 1; 8.1 for 32-bit systems; 8.1 for x64-based systems; RT 8.1; 10 for 32-bit Systems; 10 for x64-based Systems; 10 Version 1607 for 32-bit Systems; 10 Version 1607 for x64-based Systems; 10 Version 1703 for 32-bit Systems; 10 Version 1703 for x64-based Systems; 10 Version 1709 for 32-bit Systems; 10 Version 1709 for x64-based Systems; 10 Version 1803 for 32-bit Systems; 10 Version 1803 for x64-based Systems; 10 Version 1803 for ARM64-based Systems; 10 Version 1809 for 32-bit Systems; 10 Version 1809 for x64-based Systems; 10 Version 1809 for ARM64-based Systems; 10 Version 1709 for ARM64-based Systems
MicrosoftWindows Server2008 R2 for x64-based Systems Service Pack 1 (Core installation); 2008 R2 for Itanium-Based Systems Service Pack 1; 2008 R2 for x64-based Systems Service Pack 1; 2008 for 32-bit Systems Service Pack 2 (Core installation); 2012; 2012 (Core installation); 2012 R2; 2012 R2 (Core installation); 2016; 2016 (Core installation); version 1803 (Core Installation); 2019; 2019 (Core installation); 2008 for Itanium-Based Systems Service Pack 2; 2008 for 32-bit Systems Service Pack 2; 2008 for x64-based Systems Service Pack 2; 2008 for x64-based Systems Service Pack 2 (Core installation)
MicrosoftWindows 10 Version 1903 for 32-bit Systemsunspecified
MicrosoftWindows 10 Version 1903 for x64-based Systemsunspecified
MicrosoftWindows 10 Version 1903 for ARM64-based Systemsunspecified
MicrosoftWindows Server, version 1903 (Server Core installation)unspecified

References

Timeline

Published
Oct 10, 2019
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2019

CVE-2019-116607.8Privileges manipulation in Micro Focus Data Protector, versions 10.00, 10.01, 10.02, 10.03, 10.04, 10.10, 10.20, 10.30, 10.40. This vulnerabCVE-2019-116618.3Allow changes to some table by non-SysAdmin in Micro Focus Service Manager product versions 9.30, 9.31, 9.32, 9.33, 9.34, 9.35, 9.40, 9.41, CVE-2019-116624.3Class and method names in error message in Micro Focus Service Manager product versions 9.30, 9.31, 9.32, 9.33, 9.34, 9.35, 9.40, 9.41, 9.50CVE-2019-116636.5Clear text credentials are used to access managers app in Tomcat in Micro Focus Service Manager product versions 9.30, 9.31, 9.32, 9.33, 9.3CVE-2019-116646.5Clear text password in browser in Micro Focus Service Manager product versions 9.30, 9.31, 9.32, 9.33, 9.34, 9.35, 9.40, 9.41, 9.50, 9.51, 9CVE-2019-116657.5Data exposure in Micro Focus Service Manager product versions 9.30, 9.31, 9.32, 9.33, 9.34, 9.35, 9.40, 9.41, 9.50, 9.51, 9.52, 9.60, 9.61, CVE-2019-116668.8Insecure deserialization of untrusted data in Micro Focus Service Manager product versions 9.30, 9.31, 9.32, 9.33, 9.34, 9.35, 9.40, 9.41, 9CVE-2019-116677.5Unauthorized access to contact information in Micro Focus Service Manager, versions 9.41, 9.50, 9.51, 9.52, 9.60, 9.61, 9.62. The vulnerabilCVE-2019-116687.5HTTP cookie in Micro Focus Service manager, Versions 9.30, 9.31, 9.32, 9.33, 9.34, 9.35, 9.40, 9.41, 9.50, 9.51, 9.52, 9.60, 9.61, 9.62. AndCVE-2019-116697.5Modifiable read only check box In Micro Focus Service Manager, versions 9.60p1, 9.61, 9.62. This vulnerability could be exploited to allow uCVE-2019-11674.1A security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC eCVE-2019-116745.9Man-in-the-middle vulnerability in Micro Focus Self Service Password Reset, affecting all versions prior to 4.4.0.4. The vulnerability could
CVE-2019-1166: Medium severity, CVSS 5.9 | Vulnix