CVE-2019-1166: Medium severity windows 10 vulnerability

Published Oct 10, 2019
·
Updated

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 Software

19 affected components
Microsoft Windows 10
Microsoft Windows 10=1607
Microsoft Windows 10=1703
Microsoft Windows 10=1709
Microsoft Windows 10=1803
Microsoft Windows 10=1809
Microsoft Windows 10=1903
Microsoft Windows 7=sp1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2016=1803
Microsoft Windows Server 2016=1903
Microsoft Windows Server 2019

Event History

Oct 10, 2019
CVE Published
via MITRE·01:28 PM
Data Sourced
via MITRE·01:28 PM
DescriptionWeakness

Frequently Asked Questions

1

What is the severity of CVE-2019-1166?

The severity of CVE-2019-1166 is critical due to its potential for exploitation by attackers to bypass NTLM message integrity checks.

2

How do I fix CVE-2019-1166?

To fix CVE-2019-1166, ensure that you apply the latest security updates provided by Microsoft for your affected Windows versions.

3

What systems are affected by CVE-2019-1166?

CVE-2019-1166 affects multiple Windows versions including Windows 7, Windows 10, and Windows Server editions.

4

Can CVE-2019-1166 be exploited remotely?

Yes, CVE-2019-1166 can be exploited remotely by a man-in-the-middle attacker who has the ability to intercept NTLM messages.

5

How can I check if my system is vulnerable to CVE-2019-1166?

You can check for vulnerability to CVE-2019-1166 by comparing your system's version and patch status against Microsoft's security advisories.

Contact

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