Jan 2019:
CVE-2019-0541 Published on January 8, 2019

A remote code execution vulnerability exists in the way that the MSHTML engine inproperly validates input, aka "MSHTML Engine Remote Code Execution Vulnerability." This affects Microsoft Office, Microsoft Office Word Viewer, Internet Explorer 9, Internet Explorer 11, Microsoft Excel Viewer, Internet Explorer 10, Office 365 ProPlus.

NVD

Known Exploited Vulnerability

This Microsoft MSHTML Engine Remote Code Execution Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. A remote code execution vulnerability exists in the way that the MSHTML engine improperly validates input, aka "MSHTML Engine Remote Code Execution Vulnerability.

The following remediation steps are recommended / required by May 3, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2019-0541 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Command Injection Vulnerability?

The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

CVE-2019-0541 has been classified to as a Command Injection vulnerability or weakness.


Products Associated with CVE-2019-0541

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Microsoft Excel Viewer
 
Microsoft Office
 
Microsoft Office 365 Proplus
 
Microsoft Office Word Viewer
 
Microsoft Internet Explorer (IE)
 

Affected Versions

Microsoft Office: Microsoft Office Word Viewer: Microsoft Internet Explorer 9: Microsoft Internet Explorer 11: Microsoft Excel Viewer: Microsoft Internet Explorer 10: Microsoft Office:

Exploit Probability

EPSS
80.94%
Percentile
99.13%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.