CVE-2019-0541
Microsoft MSHTML Remote Code Execution Vulnerability
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run MSHTML, fix it now.
CISA required action: Apply updates per vendor instructions.
US federal civilian agencies must remediate by May 3, 2022.
Patch status
Official fix available since
Apply the vendor's update to every affected system. Check the fixed-in versions below where known.
Basis: NVD patch reference
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.
Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.
Affected products
| Product | Vendor | Affected versions | Source |
|---|---|---|---|
| Internet Explorer | Microsoft | 11; 9; 10 | NVD |
| MSHTML | Microsoft | — | KEV |
| Office | Microsoft | 2010; 2013; 2016; 2019 | NVD |
Sources: NVD = NIST National Vulnerability Database; KEV = CISA Known Exploited Vulnerabilities catalog.
Intelligence timeline
Developments from the last 30 days, newest first.
- CVSS scoredUpdateKEV
CVE-2019-0541 scored CVSS 8.8: Microsoft MSHTML, Microsoft MSHTML Remote Code Execution Vulnerability
CISA lists this as exploited in the wild. Unpatched MSHTML systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
- Patch releasedUpdateKEV
Patch released for CVE-2019-0541: Microsoft MSHTML, Microsoft MSHTML Remote Code Execution Vulnerability
An official fix is now available for Microsoft MSHTML. This vulnerability is being exploited, so apply it promptly.
Basis: NVD patch reference
1 earlier event is available with a subscription. See plans.
Coverage
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