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high8.8Known exploitedPublic exploit code

CVE-2019-0541

Microsoft MSHTML Remote Code Execution Vulnerability

Exploited in the wild

This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2021-11-03. Federal due date: 2022-05-03.

Apply updates per vendor instructions.

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

Impact

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.

Affected products

VendorProductAffected versions
MicrosoftInternet Explorer
Versions 11, 9, 10
MicrosoftExcel Viewer
Version 2007
MicrosoftOffice
Versions 2010, 2013, 2016, 2019
MicrosoftOffice 365 Proplus
All versions
MicrosoftOffice Word Viewer
All versions

Weakness classification

References