CVE-2019-0541
HighActively exploited (CISA KEV)
Description
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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Microsoft MSHTML
PublishedJan 8, 2019
First seenJan 8, 2019
Added to KEVNov 3, 2021
Weakness typeCWE-77Command injection
How to fix
CISA required action
Apply updates per vendor instructions.
CISA due date: May 3, 2022Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft internet_explorer | 11, 9, 10 | — |
| microsoft excel_viewer | 2007 | — |
| microsoft office | 2010, 2013, 2016, 2019 | — |
| microsoft office_365_proplus | No range specified | — |
| microsoft office_word_viewer | No range specified | — |
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